The predicted high temperatures for a day in late May for a random sample of U.S. cities

Question:

The predicted high temperatures for a day in late May for a random sample of U.S. cities are listed here. Estimate the mean population high temperature with 90% confidence.

For Exercises assume that all variables are approximately normally distributed.

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

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: