The numbers of touchdowns scored by 11 randomly selected NCAA Division I Subdivision teams in a recent
Question:
The numbers of touchdowns scored by 11 randomly selected NCAA Division I Subdivision teams in a recent season have a sample standard deviation of 9.35. Use an 80% level of confidence.
Assume the sample is from a normally distributed population and construct the indicated confidence intervals for
(a) The population variance σ2 and
(b) the population standard deviation σ. Interpret the results.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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