Question: Software, part II 203 students signed up for the Stats course in Exercise 35. They used the suggested software, and scored an average of 108

Software, part II 203 students signed up for the Stats course in Exercise 35. They used the suggested software, and scored an average of 108 points on the final with a standard deviation of 8.7 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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