2. What is another name for a nonparametric test and why is it called this?

4. An IO psychologist is measuring the number of items a factory worker produces during the morning, afternoon or at night. What kind of test should be used on this data?

6. How many variables can you test with the goodness of fit test?

How many variables can you test with the test of independence?

8. What concept are we testing when we use a goodness of fit test?

What concept are we testing when we use a test of independence?

12. Teachers want to know which night each week their students are doing most of their homework. Most teachers think that students do homework equally throughout the week. Suppose a random sample of 56 students were asked on which night of the week they did the most homework.Please use the data below to test whether the night that students reported doing most of their homework was equally distributed across the 7 days.

Sunday Monday Tuesday Wed. Thursday Friday Saturday Number of 12 8 11 7 12 3 3 studentsObserved data: Pregnant Not Pregnant Clown 33 60 No Clown 18 75