Question 12 Which of the following scenarios would not allow the use of a paired t-test? O a. You sample both the husband and wife in 64 married couples and measure their height. O b. You sample 64 female students in their freshman year on high school and again in their senior year of high school and measure their height. OC. You take a sample of 64 unmarried male students and take a sample of 64 unmarried female students and measure their height. O d. You could use a paired t-test for all of these scenarios.

Two sections of statistics are​ offered, the first at 8 a.m. and the second at 10 a.m. The 8 a.m. section has 25​ women, and the 10 a.m. section has 15 women. A student claims this is evidence that women prefer earlier statistics classes than men do. What information is missing that might contradict this​ claim?       Question content area bottom Part 1 Choose the best answer below.     A. The professor may be female in one class and male in the​ other, which could affect the female​ students' class preference.   B. The percentage of female students in the two classes is unknown. There may be more females in the 8 a.m. because there are more students in the 8 a.m. class than the 10 a.m. class. This claim could be true only if the classes were the same size.   C. The age and class standing of the students is unknown. Older female students may prefer later​ classes, so it may be only younger female students who prefer earlier classes.   D. No information is​…

Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data.  Test the null hypothesis that the population frequencies for each category are equal.  α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe =   What is the correct result based on the data?

Need help with # 13