Gaynor Advertising conducted a survey to determine individual’s main source of news as well as their educational level. 2500 individuals were surveyed and the results are given in the attached table. a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic. d. What conclusion are you allowed to draw? e. Would your conclusion change at the 10% level of significance? f. Confirm test results in part (c) using JASP
Gaynor Advertising conducted a survey to determine individual’s main source of news as well as their educational level. 2500 individuals were surveyed and the results are given in the attached table. a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic. d. What conclusion are you allowed to draw? e. Would your conclusion change at the 10% level of significance? f. Confirm test results in part (c) using JASP
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Gaynor Advertising conducted a survey to determine individual’s main source of news as well as
their educational level. 2500 individuals were surveyed and the results are given in the attached table.
a. State both the null and alternative hypotheses.
b. Provide the decision rule for making this decision. Use an alpha level of 5%.
c. Show all of the work necessary to calculate the appropriate statistic.
d. What conclusion are you allowed to draw?
e. Would your conclusion change at the 10% level of significance?
f. Confirm test results in part (c) using JASP
Transcribed Image Text:Source of
News
Newspapers
Television
Social Media
Grapevine
Total
Primary
95
136
155
250
636
Educational Level
Secondary
200
127
99
135
561
Graduate
121
135
170
95
521
Post
Graduate
400
211
146
25
782
Total
816
609
570
505
2500
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