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The following data set represents the age of a random sample of cars on the road...

The following data set represents the age of a random sample of cars on the road today.

1 3 3 7 10 12

The standard deviation of this sample is ________.

8.80

9.06

4.38

7.14
math   Statistics-And-Probability   
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Answer #1

(a) The computation table 25 10 12 4 36 x 36 Σ(xi-x)2 = 96 The formula for calculating the sample mean is 13+.+12 3(36) There

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