Question
A survey of 20 randomly selected statistics final exam grades from a normally distributed population showed a standard deviation of 6 points. Find the value
A survey of 20 randomly selected statistics final exam grades from a normally distributed population showed a standard deviation of 6 points. Find the value of the test statistics for the claim that the standard deviation of all statistics final exam scores is less than 8 points.
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Construction accounting and financial management
Authors: Steven j. Peterson
2nd Edition
135017114, 978-0135017111
