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Definition1
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Definition2
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standard deviation
indicated how far away scores tend to be from the mean, on average. only appropriate for interval or ratio scale variables
a computed measure of how much scores vary around the mean score -(extent that measurements differ) range (diff between high and low), standard deviation
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0
standard deviation
square root of the variance the farther away the data points on the distribution are form the mean, the greater the variance and standard deviation
second measure of dispersion, which corrects for such outliers using a formula that takes into account how close or how far each value lands relative to the distribution mean
2
1
standard deviation
a measure of how much variation there is from the mean; calculating it uses every score in the set of data
estimates the spread of the scores away from the mean ***most common measure
3
1
standard deviation
measures average deviation of score from the mean
average deviation of scores on either side of the mean
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1
standard deviation
a measure of variation (or variability) that indicates the typical distance between the scores of a distribution and the mean.
in descriptive statistics, a measure of variability that indicates the average extent to which all the scores in a distribution vary from the mean
1
0
standard deviation
-calculated by taking the square root of the variance -spread of scores around the mean and acceptable wiggle room from the mean
a measure of the extent to which a set of scores vary on either side of their mean vale (square root of variance)
0
0
standard deviation
doesn't give you full range of data difficult to calculate assumes a normal distribution pattern only use with an independent variable plotted against its frequency
measures variability around the mean, affected by outliers, appropriately applied only to continuous data that are normally distributed or that can be transformed to be normally distributed
3
1
standard deviation
measure of variability that describes the average distance from the mean; obtained by taking the square root of the variance
dispersion directly related to variance the average distance values are from the mean find by taking the square root of the variance
2
1
standard deviation
a measurement of how much scores vary from the mean score
an average distance of every score from the mean
1
0
standard deviation
a computed measure of how much scores vary around the mean score. with more accurate technology, bump in deviation can go from large to incredibly thin minimizing average error.
a popular measure of variability, is calculated based on the distance/dispersion of individual observations from their means
2
1
standard deviation
the measure of the spread of data around the mean (because the mean won't always give us enough information)
tells us how much, on average, the scores deviate from the mean
1
0
standard deviation
a computed measure of how much scores vary around the mean score, about 68% and 95% of values are within one or two deviations
a computed measure of how much scores vary around the mean score -(extent that measurements differ) range (diff between high and low), standard deviation
1
0
standard deviation
the square root of variance; a computed measure of how far data values are from their mean
square root of the variance ** expressed in same unit as random variable **
3
1
standard deviation
a computed measure of how much scores vary around the mean score(uni-variate data, measure of spread)
- average of all variance scores (data points are from the mean) - standard distance from the mean
2
1
standard deviation
average distance from the mean for a set of scores becomes its own unit of measure (z-score-the # of standard deviations from the mean)
measures the difference between every score and their mean
2
1
standard deviation
-from variance -square root of variance calculated more easily determined than variance -small data= #'s close to mean -large data=#'s far from mean (more variability) -coefficient of variation (cv)
square root of variance, indicates spread of the data; large sdev means larger variability
2
1
standard deviation
a statistical measure that shows the average amount that values vary (aka &"dispersion&") from the mean.
-most widely used variability index is standard deviation -calculated based on every vale in the distribution -summarizes the average amount of deviation of values from the mean
2
1
standard deviation
indicates a degree of data variability a higher standard deviation means there is more variability which means there is a lot lower and higher data
a calculation of the average difference between each score in the data set and the mean. bigger values indicate greater variation.
3
1
standard deviation
the square root of the variance, provides a measure of the standard, or average distance from the mean
a measure of variability that describes an average distance of every score from the mean. calculated as the square root of sd^2 (variance).
3
1
standard deviation
a measure of variability that describes an average distance of every score from the mean (normal distribution)
measures the average distance from the mean
0
0
standard deviation
variance is expressed in square units, standard deviation is not. equation is the square root of the variance equation. standard deviation tells you about the variation in a sample
is calculated, very simply, as the square root of the variance, as shown in figure 3-5.
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1
standard deviation
measure of spread, value of error bars
spread of data in accordance to distance from the mean (square root of variance)
1
0
standard deviation
is a measure of variability that indicates the typical distance between a set of scores of a distribution and the mean, or average, score.
associated with precision measure of the actual spread in the data set, how much data differs from one another
2
1
standard deviation
quantity calculated to indicate the extent of deviation for a data set as a whole.
a computed measure of how much scores vary around the mean score...used only with interval or ratio scale data
3
1
standard deviation
a measure of the dispersion of a set of data from its mean; expresses the variability of a population or set of data.
frequently used measure of the variability in a set of data
3
1
standard deviation
a measure of how spread out numbers are within a population or sample. the more spread apart the data, the higher the deviation.
one number that describes the spread in a set of data. if the data points are close together, the standard deviation will be smaller than if they are spread out.
2
1
standard deviation
.the average distance from the mean (portrays how far away from the median individual scores on average are located) .the square root of the variance
a descriptive statistic that portrays how far away from the mean individual scores on average are located.
3
1
standard deviation
how far away your data is from mean (average score)
the amount scores vary around the mean
3
1
standard deviation
-calculated by taking the square root of the variance -spread of scores around the mean and acceptable wiggle room from the mean
the square root of the variance -provides a measure of the standard (average) distance from the mean (smaller = less scatter, more precision)
1
0
standard deviation
indicates a degree of data variability a higher standard deviation means there is more variability which means there is a lot lower and higher data
average amount either above or below the mean that the data deviate from the mean
3
1
standard deviation
distance from mean; square root of average squared deviation
deviation of scores around the mean (square root of variance)
3
1
standard deviation
an indication of how much individual scores differ or vary from the mean.
measure of variability that takes into account how far each data point is from the mean
2
1
standard deviation
s; measures how closely the data are clustered about the mean (lower the number, the more closely the data are clustered about the mean
a statistic measuring how closely data are clustered about the mean value.
2
1
standard deviation
measure of how spread out values are from the mean (standard deviation represented by greek letter sigma)
a measure of how much a typical value in the data set differs from the mean (a.k.a. average). represented by the greek alphabet σ (read aloud as &"sigma&")
2
1
standard deviation
the average difference between each score and the mean for that data set. measures how closely related the data points are to each other
- an index of the degree of variability of study data around the mean of those data
2
1
standard deviation
a measure of variability computed by taking the positive square root of the variance
square root of the variance is often used for statistical applications
2
1
standard deviation
average amount all scores varied from the mean; most important statistic for organizing data
a measure of how far a piece of data is away from the average.
2
1
standard deviation
.the average distance from the mean (portrays how far away from the median individual scores on average are located) .the square root of the variance
portrays how far away from the mean individual scores on average are located
2
1
standard deviation
a measure of variability that indicates the average differences between the scores and their mean
in descriptive statistics, a measure of variability that indicates the average extent to which all the scores in a distribution vary from the mean
2
1
standard deviation
measures the dispersion in a frequency distribution; average distance of cases from mean
the measure of the approximate average amount scores in a distribution deviate from the mean. distribution with a larger standard deviation have more spread.
3
1
standard deviation
how data is dispersed or spread among the mean - how tightly data points are clustered around the mean
the measure of variation that tells you how tightly all of the cases are clustered around the mean
1
0
standard deviation
a number that tells how spread out data tend to be, it is a measure of how far numbers tend to be from their average.
indicates the spread of data relative to the mean; essentially shows where the bulk of the data would be found (68%, 1sd, 94% 2sd); can help to identify outliers
2
1
standard deviation
how scores vary from the mean
estimates the spread of the scores away from the mean ***most common measure
2
1
standard deviation
a measure of how spread out numbers are within a population or sample. the more spread apart the data, the higher the deviation.
a measure of how spread out the data are (that involves using the mean and a variety of calculations)
3
1
standard deviation
the average deviation of scores from the mean (the square root of the variance).
indicates that average deviation of from mean symbolized as s abbreviated sd
3
1
standard deviation
a descriptive statistic that portrays how far away from the mean individual scores on average are located.
tells you the typical difference between any one score and the mean of all scores
1
0
standard deviation
- average of all variance scores (data points are from the mean) - standard distance from the mean
computed measure of how much scorews vary around the mean score (+/-)
0
0
standard deviation
the measure of the spread of all values in a series of observations is a known as the
the type of deviation used most often in the meteorological studies is the
2
1
standard deviation
a measure of variability that indicates how spread apart the numbers are in a distribution
representation of the variability or spread of the dataset; the amount the scores in a distribution deviate from the mean
2
1
standard deviation
how scores vary from the mean
is a measure of variability that indicates the typical distance between a set of scores of a distribution and the mean, or average, score.
1
0
standard deviation
is a measure of variability that indicates the typical distance between a set of scores of a distribution and the mean, or average, score.
a statistical measurement used to document the disparity between an individual's test score and the mean
3
1
standard deviation
average distance from mean to a certain score
the average of the deviation of each individual score around the mean
3
1
standard deviation
measure of spread of data points values around the mean square root of the &"variance&"
spread of data in accordance to distance from the mean (square root of variance)
2
1
standard deviation
a measure of variability that describes an average distance of every score from the mean, same units as the measurements
measure of dispersion around the mean for normally distributed continuous data; expresses variability within the sample
2
1
standard deviation
average amount all scores varied from the mean; most important statistic for organizing data
measures the difference between every score and their mean
1
0
standard deviation
the average distance each value is from the mean to determine the spread of the data
a measure of how different the individual data values are from the mean.
3
1
standard deviation
a measure of spread that describes an average distance of every score from the mean
measures the average distance from the mean
2
1
standard deviation
a statistic that shows the variation of values around the mean.
this shows the spread of all the values around the mean and therefore it has the same units as the values.
3
1
standard deviation
relates the average distance of any score from the mean
the average of the deviation of each individual score around the mean
1
0
standard deviation
how scores vary from the mean
a computed measure of how much scores vary around the mean score. with more accurate technology, bump in deviation can go from large to incredibly thin minimizing average error.
3
1
standard deviation
the spread of data around the mean (average) - 68% of values are within 1 sd - 95% of values within 2 sd
a term used to summarize the spread of values around the mean. 68% fall within +/- 1 sd 95% fall within +/- 2 sd.
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1
standard deviation
- symbolized as s - indicates the average deviation of scores from the mean - in scientific reports, it is abbreviated as sd
indicates that average deviation of from mean symbolized as s abbreviated sd
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1
standard deviation
indicates a degree of data variability a higher standard deviation means there is more variability which means there is a lot lower and higher data
a low standard deviation means that most bumber are close to average and the error of the mean
2
1
standard deviation
average distance that the data values/scores are from the mean (x bar) *most common measure of spread
a measure of how spread out values are from the mean
1
0
standard deviation
the average difference between each score and the mean for that data set. measures how closely related the data points are to each other
the most frequently used statistic for designating the degree of variability in a set of scores.
1
0
standard deviation
measures variability by averaging dispersion of numbers around the mean
measures the variability within a single sample; can use the standard error of the mean to determine how precisely he mean of the sample estimates the population mean
2
1
standard deviation
average amount all scores varied from the mean; most important statistic for organizing data
average distance from the mean for a set of scores becomes its own unit of measure (z-score-the # of standard deviations from the mean)
2
1
standard deviation
measures the average difference between each score in the mean of the data set
measures the difference between every score and their mean
2
1
standard deviation
a measure that describes how far off individual values are from the mean.
measures the typical distance of the values in a distribution from the mean (does depend on the actual values of the observations)
2
1
standard deviation
estimates the spread of the scores away from the mean ***most common measure
a popular measure of variability, is calculated based on the distance/dispersion of individual observations from their means
3
1
standard deviation
a measure of spread that describes an average distance of every score from the mean
a measure of variability that describes an average distance of every score from the mean (normal distribution)
2
1
standard deviation
the average amount of error between the mean and the observed scores in the data. the square root of the variance and a measure of dispersion.
the average amount that scores deviate from the mean (square root of the variance)
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0
standard deviation
frequently used measure of the variability in a set of data
measurement of variability about the mean, can also be used to determine outliers
1
0
standard deviation
the standard deviation tells us how the whole collection of values varies, so it's a natural ruler for comparing an individual to a group.
the distance between the value and the mean
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1
standard deviation
average measure of difference from the mean of the data (how spread out the data is)
a measure of how spread out values are from the mean
3
1
standard deviation
how tightly data points are clustered together around the mean
how the data is dispersed or spread around the mean
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1
standard deviation
how various percentages of scores fall away from the mean.
the average distance values fall from the mean
2
1
standard deviation
estimates the spread of the scores away from the mean ***most common measure
is a measure of variability that indicates the typical distance between a set of scores of a distribution and the mean, or average, score.
0
0
standard deviation
indicates a degree of data variability a higher standard deviation means there is more variability which means there is a lot lower and higher data
average absolute difference between each data point and the mean set of data. large sd suggests high dispersion. s = sample standard deviation. σ = population standard deviation.
1
0
standard deviation
-square root of variance -common measure of consistency in business applications, such as quality control -measures the amount of variance around the mean
a statistic that measures the amount of data dispersion around the mean.
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standard deviation
statistic used to descriptively analyze the spread of scores in a distribution; square root of the variance; measure of dispersion.
used to analyze descriptively the spread of scores in a distribution, the positive square root of variance. most common measure of dispersion.
1
0
standard deviation
measures variability by averaging dispersion of numbers around the mean
measure of dispersion around the mean for normally distributed continuous data; expresses variability within the sample
2
1
standard deviation
a measure of how far a piece of data is away from the average.
measures the difference between every score and their mean
2
1
standard deviation
measure to quantify the amount of variation or dispersion of a set of data values
-square root of variance -common measure of consistency in business applications, such as quality control -measures the amount of variance around the mean
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1
standard deviation
a measure of the extent to which a set of scores vary on either side of their mean vale (square root of variance)
measure of how much all scores tend to vary from the sample mean. the square root of the average squared deviation from the mean
1
0
standard deviation
a popular measure of variability, is calculated based on the distance/dispersion of individual observations from their means
associated with precision measure of the actual spread in the data set, how much data differs from one another
1
0
standard deviation
-how much scored deviate form the man, positive square roof of variance. -the bigger the standard deviation, the wider the range.
square root of the variance -how much each score deviates from the mean
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1
standard deviation
a measure of how spread out the data are, distance from the mean how spread out the bell is in a frequency distribution
a measure of how spread out the data are (that involves using the mean and a variety of calculations)
2
1
standard deviation
on average, how far each value is from the mean
the spread of the values around the mean -affected by outliers -smaller = more consistency
1
0
standard deviation
average absolute difference between each data point and the mean set of data. large sd suggests high dispersion. s = sample standard deviation. σ = population standard deviation.
a calculation of the average difference between each score in the data set and the mean. bigger values indicate greater variation.
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standard deviation
- measures how much the scores vary from the mean - percentages stay the same in every curve
a computed measure of how much scores vary around the mean score -(extent that measurements differ) range (diff between high and low), standard deviation
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standard deviation
most frequently used measure of variability provides overall measurement of how participants scores differ from mean score of group
-describes how far the majority of scores fall from the mean. -sd is the average distance the data are from the mean.
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standard deviation
calculated measure that provides info on how much the data are spread around the mean (so deals with precision) helps filter out biological noise
a measure of how much variation there is from the mean; calculating it uses every score in the set of data
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standard deviation
it is a descriptive statistic — which is a measure of dispersion, or spread — of sampled data around the mean.
this is the most widely used measure of variability in descriptive statistics. it is easy to interpret and is the most preferred measure for dispersion for frequency distributions:
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standard deviation
an estimate of how widely the scores are spread around the mean in a frequency distribution
a measure of variability that indicates how spread apart the numbers are in a distribution
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1
standard deviation
a measure of dispersion that indicates how much the cores in a sample differ from the mean in the sample
the measure of the dispersion of individual scores around our sample mean
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standard deviation
s sd indicates the average deviation of scores from the mean
the average deviation of scores from the mean (the square root of the variance).
3
1
standard deviation
the average amount that scores deviate from the mean (square root of the variance)
represents the &"average&" deviation from the mean. calculated as the square root of the variance.
1
0
standard deviation
how scores vary from the mean
associated with precision measure of the actual spread in the data set, how much data differs from one another
3
1
standard deviation
how tightly data points are clustered together around the mean
the measure of variation that tells you how tightly all of the cases are clustered around the mean