# Refer to the accompanying screen display. a. Express the confidence interval in the format that uses the less than symbol.

## Question:

Refer to the accompanying screen display.
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place, round the confidence interval limits accordingly.
b. Identify the best point estimate of m and the margin of error.
c. In constructing the confidence interval estimate of m, why is it not necessary to confirm that the sample data appear to be from a population with a normal distribution?
Refer to the accompanying screen display that results from the Verizon airport data speeds (Mbps) from Data Set 32 "Airport Data Speeds" in Appendix B. The confidence level of 95% was used.

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Related Book For

## Mathematical Interest Theory

ISBN: 9781470465681

3rd Edition

Authors: Leslie Jane, James Daniel, Federer Vaaler

Question Details
Chapter # 7
Section: 7-2 Basic Skills and Concepts
Problem: 1
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