Question

1. A small college went online in the middle of the semester in order avoid a virus contagion. They implemented a new online program to help increase students’ access to learning material and continue their classes. The data below is the average number of students that came to class before and after the move to online. The following is the number of students in the class before going online and after going online. The administration clams that there is no relationship between going online and the class attendance and you do not believe this. You are going to use a .10 alpha to conduct a test.

Class	In class attendance	online attendance.
Intro to accounting	25	13
Intro to statistics	20	12
intro to math	23	12
Macroeconomics	19	21
Social work	30	12
Principals of accounting	21	15

1. What is the Null and Alternative hypotheses? Write them both out below: (2)
2. What is the Critical value of the distribution? Why? (1)
3. Calculate the average difference, standard deviation for the data above: (2)
4. What is the sample statistic above? Show work (2)
5. Do we reject the null hypotheses? Is there evidence that the new system lowers the number of spoiled foods a company has? (3)

Answer 1