The weekly time spent (in hours) on homework for 18 randomly selected high school students Use the
Question:
The weekly time spent (in hours) on homework for 18 randomly selected high school students
Use the data set to
(a) Find the sample mean,
(b) Find the sample standard deviation,
(c) Construct a 99% confidence interval for the population mean. Assume the population is normally distributed. If convenient, use technology.
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a x 1219 b s 175 ...View the full answer
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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