A random sample of 25 mens resting pulse rates shows a mean of 72 beats per minute
Question:
A random sample of 25 men’s resting pulse rates shows a mean of 72 beats per minute and a standard deviation of 13.
a. Find a 95% confidence interval for the population mean pulse rate for men, and report it in a sentence. You may use the table given for Exercise 9.25.
b. Find a 99% confidence interval.
c. Which interval is wider and why?
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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