Perform each task, given the following sample data. (Round your answers to one decimal place.)

Question

Question

4 9 7 4 10 8

(a) Use the Sample Variance Definition to find the variance and standard deviation of the data.

(b) Use the Alternative Formula for Sample Variance to find the variance and standard deviation of the data.

Answer 1

✔ Recommended Answer

Answer #1

Thus we get same value of sample variance for both the formulae

Answer 2

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