# High school statistics questions and answers

Recent questions in High school statistics
CoormaBak9 2020-10-25

### $\begin{array}{|cccc|}\hline & \text{SUV}& \text{Sedan}& \text{Totals}\\ \text{Male}& 21& 39& 60\\ \text{Female}& & 45& 180\\ \text{Total}& 156& 84& \\ \hline\end{array}$ The two-way table represents the results of a random survey taken to determine the preferred vehicle for male and female drivers. Given that the participant is a female, which choice is the conditional relative frequency that she prefers an SUV a)0.25 b)0.55 c)0.75 d)0.87

Cabiolab 2020-10-25

### Which of the following is(are) True? I. The means of the Student’s t and standard normal distributions are equal. II. The standard normal distribution approaches the Student’s t distribution as the degrees of freedom becomes large. A. I only B. II only C. Both I and II D. Neither I nor II

bobbie71G 2020-10-23

### Matching Here are several scatterplots. The calculated correlations are -0.923, -0.487, 0.006, and 0.777. Which is which?

Braxton Pugh 2020-10-21

### Distribution Suppose we have a binomial experiment in which success is defined to be a particular quality or attribute that interests us. (a) Suppose $n=100$ and $p=0.23$. Can we safely approximate the $\stackrel{^}{p}$ distribution by a normal distribution? Why? Compute ${\mu }_{\stackrel{^}{p}}$ and ${\sigma }_{\stackrel{^}{p}}$.

Brittney Lord 2020-10-21

### Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or skewed? Explain why. a) Ages of people at a Little League game. b) Number of siblings of people in your class. c) Pulse rates of college-age males. d) Number of times each face of a die shows in 100 tosses.

Tammy Todd 2020-10-20

### The explanatory variable in the given study. To determine:Whether the given explanatory variable is qualtitative or quantitative.

e1s2kat26 2020-10-20
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