Here are summary statistics for randomly selected weights of newborn girls: n = 150, x = 30.7

Fantastic news! We've Found the answer you've been seeking!

Question:

Here are summary statistics for randomly selected weights of newborn girls: n = 150, x = 30.7 bg, s = 7.1 hg. Construct a confidence interval estimate of the mean. Use a 90% confidence level. Are these results very different from the confidence interval 29.6 hg