Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uu-Critical-value-808-en_uu-Critical-value-808-en
   name	uu-Critical-value-808-en
   section	Inferential Statistics/NHST/Significance level/Critical value
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE
   Type	Case
   Language	English
   Level	Statistical Literacy

   Question

   A researcher wants to compare the political orientation of first-year and fourth-year students. A sample of 10 freshmen and 10 fourth-year students are administered a questionnaire on which a score can be obtained from 0 (very progressive) to 100 (very conservative). Freshmen score an average of 62 with a squared SS = 4800, and fourth-year students score an average of 41 with a squared SS = 4200. Based on a two-sided test with $\alpha$ = 5% conclude that the political orientation of first- and fourth-year students is significantly different?

   
   
   1. TRUE: No, because the test statistic is 2.1 and the critical limits are $\pm$ 2.101.
   2. FALSE: Yes, because the test statistic is 2.2 and the critical limits are $\pm$ 1.96.
   3. FALSE: Yes, because the test statistic is 2.2 and the critical limits are $\pm$ 1.734.
   4. FALSE: Yes, because the test statistic is 2.1 and the critical limits are $\pm$ 2.086.