May I please get help with the following homework questions? Thank you.

Question 19: Thep-value is a probability that measures the support (or lack of support) for the

1. null hypothesis
2. alternative hypothesis
3. either the null or the alternative hypothesis
4. sample statistic

Question 20: An assumption made about the value of a population parameter is called a

1. hypothesis
2. conclusion
3. confidence
4. significance

Question 21:

1. What is multicollinearity in regression analysis?
2. Why do we check for this issue?
3. How can we detect multicollinearity?
4. When we suspect multicollinearity, what steps should be taken?