Question

Asked Oct 1, 2019

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On chapter 2 section 4 problem number 14 in the Elementary Statistics Seventh Edition Book, I got a different numbers in the variance and standard deviation questions. For variance I had gotten 5125754.86 and for standard deviation I got 2386.5 and even if the numbers are close to the answers, I’m not sure why they were still different?

Step 1

- According to the provided data, the range can be obtained as:

Range = Maximum value – Minimum value

Range =7870 – 0.09

Range =7869.91

The final range can be approximated to 7870.

Step 2

The mean of the population data set can be obtained as:

Step 3

The variance of the population da...

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