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Students in a statistics class took their first test. The following are the score they earned....

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Statistics

Students in a statistics class took their first test. Thefollowing are the score they earned. Create a histogram for thedata and describe the findings Scores(62,87,81,69,69,87,60,45,95,76,76 62,71,65,67,67,72,80,40,77,87,5884,73,90,64,64,89)

a)Find the mean, median, and modal class.

b)What is inter quartile range?

c)What is standard deviation of the test score?

d)Is the score of 40 unusual? Why?

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