ne of the tests. What is the correc

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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A charity is trying to raise money by hosting a comedy club with a famous comedian. In order to maximize donations they want to bring in the best comedian, if there is one. By surveying 100 of their target donors, they find the following preferences:

Comedian

Zach Galifianakis

Maria Bamford

Patton Oswalt

Brian Posehn

Number of Preferences

11

44

23

22

 

They are trying to determine who (if anyone) should be invited.

 

Calculate the test statistic for one of the tests. What is the correct decision to make? (Do not reject H0, Reject H0, Nothing can be concluded, or None of the above?)

What is the correct action to take? Invite Zach Galifianakis, Invite Maria Bamford, Invite Patton Oswalt, Invite Brian Posehn, Invite none of these, or None of the other options are correct)

Expert Solution
Step 1

Given:

Comedian

Zach Galifianakis

Maria Bamford

Patton Oswalt

Brian Posehn

Number of Preferences

11

44

23

22

Here, chi-square test will be used.

  Observed Freq (Oi) Expected Freq (Ei) (Oi-Ei)2Ei
  11 25 7.8400
  44 25 14.4400
  23 25 0.1600
  22 25 0.3600
Total 100 100 22.8000

 

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ISBN:
9780547587776
Author:
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HOLT MCDOUGAL