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Author Question: Prior to the start of the season, it was expected that audience proportions for the four major news ... (Read 58 times)

Ale

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on: Mar 25, 2023

Prior to the start of the season, it was expected that audience proportions for the four major news networks would be CBS 18.6%, NBC 12.5%, ABC 28.9% and BBC 40%.  A recent sample of homes yielded the following viewing audience data.

 

 Observed frequencies(fi)
CBS400
NBC230
ABC560
BBC810
Total2000

 

We want to determine whether or not the recent sample supports the expectations for the number of homes of the viewing audience of the four networks.

 

a.  State the null and alternative hypotheses to be tested.

b.  Compute the test statistic.

c.  The null hypothesis is to be tested at 95% confidence.  Determine the critical value for this test.

d.  What do you conclude?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Ale on Mar 25, 2023

ryanb

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Reply #1 on: Mar 25, 2023
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Ale

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

kjohnson

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Reply 3 on: Yesterday
Gracias!

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