Question

A market analyst wants to know if the new website he designed is showing increased page...

A market analyst wants to know if the new website he designed is showing increased page views per visit. A customer is randomly sent to one of two different​ websites, offering the same​ products, but with different designs. The accompanying table shows the data from 30 randomly chosen customers from each website. Complete parts a through e below.

c) Find the sample variance for each website.

s Subscript Upper A Superscript 2s2A= __

s Subscript Upper B Superscript 2s2B= __

A B
4 3
14 13
9 10
7 9
14 13
2 3
8 15
3 4
10 9
12 11
3 2
12 14
15 12
12 13
2 3
9 8
11 8
3 4
12 11
13 14
13 12
9 10
7 6
5 6
11 13
13 14
7 8
4 3
8 7
12 15

Homework Answers

Answer #1

Ans:

For upper superscrit the sample variance is

For upper superscrit B the sample Variance is

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