The researcher wanted to know whether republicans and democrats (separately) perceive a bias in favor or against President Trump on Facebook

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Questions 1 and 2 pertain to this dataset: 

1. The researcher wanted to know whether republicans and democrats (separately) perceive a bias in favor or against President Trump on Facebook (facebook_item). To test his hypotheses, please execute the following six steps: 

a. Use ‘select-cases’ to exclude all non-democrats from the dataset. 

b. Test if the Facebook bias of the Democrats differs significantly from 5 (neutral). 

c. Cancel the ‘select-cases’ filter.

d. Use ‘select-cases’ to exclude all non-republicans from the data set. 

e. Test if the Facebook bias of the Republicans differs significantly from  5 (neutral).

f. Cancel the ‘select-cases’ filter.

 

A. Is the researcher’s hypothesis one tailed or two tailed? (Mark the correct answer). 

Please explain why. (5 points).

 

B. Which test did you conduct in stages b and e (above) in order to test the hypotheses? (5 points).

 

 

C. Present the results of the tests you performed in stages b and e regarding democrats and republicans (paste screenshots of the results tables). (10 points).

 

D. Report the test results for Democrats and Republicans (separately). Include in the reports all the relevant findings (means, standard deviations, sample sizes, test statistics values, degrees of freedom, and significance [p-value]) and their meaning in words. (10 points).

 

2. The researcher wanted to test for gender differences in perceived bias on Facebook for or against Trump (facebook_item)  

a. Which test does the researcher need to conduct to test the hypothesis? (5 points).

 

b. Please run the appropriate test. If needed, please also run Levine’s test and its following appropriate tests. Paste a screenshot of the results table. (5 points).

 

c. Report the results of the statistical test you performed. Do men perceive Facebook as biased in relation to Trump more than women? Include in the report all relevant findings (means, standard deviations, sample sizes, test statistic values, degrees of freedom, and significance [p-value]) and their meaning in words. (10 points).

 

d. Given that there are 2,140 observations in this database, explain why the N value reported in the previous question lower? (10 points).

 

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