Q1. You are a researcher and would like to understand how substance use influences academic achievement. You are measuring substance use as the number of alcoholic drinks one has in a week and academic achievement as the number of hours one spends studying/doing homework a week. You take a sample of 300 CSUN students and ask them about their substance use and school/work habits.

You decide to conduct a Bivariate Ordinary Least Squares (OLS) Regression to answer this question. (2.5 pts)

What is the independent variable? (The cause)

What is the dependent variable? (The effect)

Write a null hypothesis for this problem.

Write an alternative hypothesis for this problem.