The grade point averages of 14 randomly selected college students 2.3 3.3 2.6 1.8 3.1 4.0 0.7
Question:
The grade point averages of 14 randomly selected college students
2.3 3.3 2.6 1.8 3.1 4.0 0.7 2.3 2.0 3.1 3.4 1.3 2.6 2.6
Use the data set to
(a) Find the sample mean,
(b) Find the sample standard deviation, and
(c) Construct a 99% confidence interval for the population mean. Assume the population is normally distributed.
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a For the given data set the mean is calculated as Sample Mean 07 13 18 2 23 23 26 26 26 31 31 33 34 ...View the full answer
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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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