Title: Interpreting confidence levels and confidence intervals (article) | Khan Academy
Headings: Interpreting confidence levels and confidence intervals
Interpreting confidence levels and confidence intervals
Example 1: Interpreting a confidence level
Which of the following is a correct interpretation of the confidence level?
Choose all answers that apply:
Example 2: Interpreting a confidence interval
Choose all answers that apply:
Example 3: Effect of changing confidence level
Choose 1 answer:
Are you a student or a teacher?
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Content: Example 3: Effect of changing confidence level
Suppose that the coach from the previous example decides they want to be more confident. The coach uses the same sample data as before, but recalculates the confidence interval using a confidence level. How will increasing the confidence level from to affect the confidence interval? Choose 1 answer: Choose 1 answer: (Choice A)
A
It's impossible to say without seeing the sample data. (Choice B)
B
Increasing the confidence will increase the margin of error resulting in a wider interval. (Choice C)
C
Increasing the confidence will decrease the margin of error resulting in a narrower interval. Are you a student or a teacher?