1. 2. Paul is a political science graduate student who wants to determine whethe

Question

1.

2.

Paul is a political science graduate student who wants to determine whether undergraduate major is related to students' sentiments toward Donald Trump. Paul limits his analysis to students with a single major in one of education, business, or engineering. Paul measures students' sentiments using a scale that ranges from 10, extremely negative sentiment, to 10, extremely positive sentiment. Paul specifies these hypotheses. Ho: The mean sentiment toward Donald Trump is the same across the three majors. H1: The mean sentiment toward Donald Trump is not the same across the three majors. Paul conducts a simple random sample of 100 business majors ANOVA table and then contacts each one. Through conversation he assesses their sentiment toward Donald Trump. After collecting data Source MS from 100 business majors, Paul then randomly selects 100 Groups 2 11.3 5.650 education majors and 100 engineering majors. He reaches out Error 297 1153.2 3.883 to these 200 students and assesses their sentiment toward 1.455 Total 299 1164.5 Donald Trump Normal Q-Q Plot

Explanation / Answer

ANS -1

Anova asssumptiom is violated if

a-samples are not independent

b-with in each sample observvation do not constitute Simple random sample

ANS-2

to find df (1) we proceed as below

Betwween MSS=BEtween sum of square /df1

df1=172.694/57.56=2.98 approx =3

and similarly df2=Within sum of square /Within MSS

=1679.408/15.407

=109

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