Question

In: Statistics and Probability

n = 8 measurements: 5, 3, 6, 7, 6, 5, 4, 7 Calculate the sample variance,...

n = 8

measurements: 5, 3, 6, 7, 6, 5, 4, 7

Calculate the sample variance, s², using the definition formula. (Round your answer to four decimal places.)

s² =

Calculate the sample variance, s² using the computing formula. (Round your answer to four decimal places.)

s² =

Find the sample standard deviation, s. (Round your answer to three decimal places.)

s =

Solutions

Expert Solution

Calculate the sample variance, s2, using the definition formula.


5	-0.375	0.140625
3	-2.375	5.640625
6	0.625	0.390625
7	1.625	2.640625
6	0.625	0.390625
5	-0.375	0.140625
4	-1.375	1.890625
7	1.625	2.640625

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Calculate the sample variance, s2 using the computing formula.


5	25
3	9
6	36
7	49
6	36
5	25
4	16
7	49

-------------------------------------------------------------------------------------------------------

Find the sample standard deviation, s.

orchestra answered 1 year ago

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