?Confidence Intervals. In Exercises 9–24, construct the confidence interval estimate of

Chapter 7, Problem 9

(choose chapter or problem)

Confidence Intervals. In Exercises 9–24, construct the confidence interval estimate of the mean.

Birth Weights of Girls Use these summary statistics given in Exercise 8: n = 205, \(\bar{x}\) =

30.4 hg, s = 7.1 hg. Use a 95% confidence level. Are the results very different from those found

in Example 2 with only 15 sample values?

Text Transcription:

\bar{x}