Change three of the 6s in the data set to 4s. How does this change affect the
Question:
Change three of the 6’s in the data set to 4’s. How does this change affect the sample mean and sample standard deviation?
a. Write the first three columns of a frequency distribution.
b. Find the sample mean.
c. Complete the last three columns of the frequency distribution.
d. Find the sample standard deviation.
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a b x xf n 85 50 17 c d s ...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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