Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth.

x: 23 17 12 35 29

a. 84.20
b. 67.36
c. 101.00
d. 88.84
e. 126.25

1 answer

My TI 30x calculated it rather quickly. I am not certain of your question.

Calculate the mean, then the difference between the mean and each data point, square it, then sum the squares, then divide by n.

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