7. Inference for Quantitative Data(COLON) Means

Constructing A Confidence Interval For A Population Mean — Quiz

Test your understanding of constructing a confidence interval for a population mean with 5 practice questions.

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Practice Questions

Question 1

What is the main purpose of a confidence interval for a population mean?

Question 2

Which sample statistic is used as the center of a confidence interval for a population mean?

Question 3

What does the margin of error represent in a confidence interval for $\mu$?

Question 4

Which confidence interval is wider, all else being equal: a $90\%$ confidence interval or a $95\%$ confidence interval?

Question 5

When constructing a confidence interval for a population mean using a one-sample $t$ interval, which condition is especially important when the sample size is small?