Solve the following:
Q: For the two large newspapers in your city, you are interested in knowing whether there is a significant difference in the average number of pages in each dedicated solely to advertising. You randomly select 10 editions of newspaper A and 6 editions of newspaper B (excluding weekend editions). The data follow. Use to test whether there is a significant difference in averages. Assume the number of pages of advertising per edition is normally distributed and the population variances are approximately equal.
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A
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B
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17
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17
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8
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14
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21
|
15
|
11
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10
|
|
11
|
19
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9
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6
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19
|
22
|
|
|
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26
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16
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