Chapter 12 - Basic Statistical Procedures
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:
Of those who had attended some college, 21 said newspapers; 10 said TV; 8 said other people.
Of those who had not attended college, 32 said TV; 11 said other people; 14 said newspapers.
Select a statistical procedure to test your hypothesis; set alpha at .05.
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 |
Select a statistical procedure to test your hypothesis; set alpha at .05.
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 |
Calculate a Pearson r for the data. (BIG hint....your answer should be .509)