a. Find the mean of G. b. Find the range of G. Ms. Hall gave her class

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a. Find the mean of G.

b. Find the range of G.


Ms. Hall gave her class a 10-question multiple-choice quiz. Let X = the number of questions that a randomly selected student in the class answered correctly. The computer output gives information about the probability distribution of X. To determine each student’s grade on the quiz (out of 100), Ms. Hall will multiply his or her number of correct answers by 5 and then add 50. Let G = the grade of a randomly chosen student in the class.

Mean Median StDev Min Max Q1 Q3 7.6 8.5 1.32 4 10 8

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The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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