Software, part II. 481 students signed up for the Stats course in Exercise 39. They used the
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Software, part II. 481 students signed up for the Stats course in Exercise 39.
They used the software suggested by the salesman and scored an average of 112 points on the final with a standard deviation of 6.3 points.
a) Should the professor spend the money for this software?
Support your recommendation with an appropriate test.
b) Does this improvement seem to be practically significant?
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Related Book For
Business Statistics
ISBN: 9781292269313
4th Global Edition
Authors: Norean Sharpe, Richard De Veaux, Paul Velleman
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