What is the appropriate test? What is the null and what is the alternative hypothesis? What are the assumptions for this test? Run the appropriate test in R or SAS. What is the p-value?

Paired T-Test: Continuing question 1, the research wants now to find if the two videos produce statistically similar results.

What is the appropriate test? What is the null and what is the alternative hypothesis?
What are the assumptions for this test?
Run the appropriate test in R or SAS. What is the p-value?
What is your verdict?

4. Proportions test: The researcher now wants to find if the ratio of kids is the same among the two genders.

Create a table with the variables Gender and Char, to find the proportion of Kids vs Not Kids for both genders.
Set up a hypothesis test. What is your null and what is your alternative hypothesis?
What are the assumptions for this test? Check the ones you can check and mention the ones you cannot.
Compute the corresponding statistic and the p-value. What is your verdict?