Mass Media Research: An Introduction - 9th Edition
Roger D. Wimmer & Joseph R. Dominick


Chapter 12 - Basic Statistical Procedures

  1. You are interested in testing the hypothesis that a person's education is related to the source most used for news. You collect the following information from a random sample:

        Select a statistical procedure to test your hypothesis; set alpha at .05.

  1. You hypothesize that tall people are more likely to be opinion leaders when it comes to politics. An analysis of a random sample produces the following number of people in each category:

 

Tall

Short

Opinion leader

12

32

Follower

22

14

Unclassified

9

6

 

  1. The data below represent the scores obtained by 10 students on a journalism aptitude test and their college GPA.

Student

Aptitude Test

GPA

Meaghan

85

3.3

Jillian

90

3.5

Suzanne

50

2.7

Jeremy

60

2.9

Justin

80

2.5

Mark

75

2.0

Shad

70

2.5

Kelley

70

2.9

Jennifer

70

3.0

Shane

90

3.8

 

  1. Calculate a Pearson r for the data.  (BIG hint....your answer should be .509)

  2. The authors prepared an Excel template to compute means and standard deviations for group data with rating scales.  This will save a lot of time calculating the informationclick here

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