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Standard deviation of the ages of cars

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Reference no: EM131083814

A random sample of 44 automobiles registered in Dallas, Texas show the ages of the cars to be - 

Age (in years)

Frequency

1 to 3

9

4 to 6

12

7 to 9

20

10 to 12

3

Estimate the mean, median and standard deviation of the ages of cars.

Reference no: EM131083814

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