Problem B 5 1 point A national survey found that 25% of college students self-identify as morning A Chi-Square goodness of fit test was conducted with a sample of 200 subjects. people while 75% identify as evening people. A researcher at Rutgers wants to What are the degrees of freedom? conduct a survey to examine if the same ratio of morning vs evening person holds O 199 among RU undergraduates. O 200 The researcher will conduct a Chi-Square goodness of fit test with the null hypothesis: P = (.25, .75) O 2 O 1 6 1 point What is the critical value for this test? 3.84 1.96 OOOO 232.9 5.99 7 1 point Which of the following corresponds to the expected observations (counts) for a sample of 200 subjects? O O = (50, 150) O O = (100, 100) O O = (25, 75) O O = (999,-999) 8 1 point Among 200 subject surveyed, 40 and 160 self-identified as morning and evening person, respectively. Please calculate the test statistic. O 4.75 4.33 OOO 2.66 1.33