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A Teacher Grading Statistics Homework Finds That None of the Students

Question 13

Multiple Choice

A teacher grading statistics homework finds that none of the students has made more than three errors.14% have made three errors,25% have made two errors,and 39% have made one error.Find the standard deviation of the number of errors in students' statistics homework.


A) 0.97
B) 0.93
C) 0.89
D) 1.07
E) 0.82

Correct Answer:

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