Question

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The length of ribbons found at a seamstress are listed.


3, 6, 9, 11, 12, 13


What is the appropriate measure of variability for the data shown, and what is its value?


The mean is the best measure of variability and equals 8.

The median is the best measure of variability and equals 9.

The range is the best measure of variability and equals 10.

The IQR is the best measure of variability and equals 6.

Answer 1

Explanation:

The best measure of variability for this data is the range, and its value is 10.