Q5. [Total 4 points] The student also executed a regression to predict the average GPAs (the dependent variable, or Y) using the number of attendanCES (the independent variable, or X). The students expected that as the number of attendances increases the GPA increases. a. [2 points] State Ho and Ha with regards to Bl: Ho: Ha: b. [2 points] The standard deviation of Y is 8. The square root of the sum of the squared residuals divided by n-Z equals 8 (note: the formula on slide 21 of Chapter 10). Does this suggest that the regression fits the data well? (No explanation required.) Circle one: Yes