Question

1. A statistics instructor gives an exam where the students did not perform as well as...

1. A statistics instructor gives an exam where the students did not perform as well as expected. She wants to add 10 points to all student exams scores. If she does this, which of the following sample statistics would change?

I. Mean

II. Median

III. Coefficient of Variation

IV. Range

V. Standard Deviation

VI. Interquartile Range

Options

Only I,II and III
Only I
Only I,II and IV
Only I and V

All of them would change

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