1) A student wishes to determine the association between HoursStudied and Test Score. She also wants to determine the associationbetween Hours of Sleep before the Test and the Test Score.
Hours Studied | 1 | 3 | 2.5 | 4 | 5 | 5 | 3 | 4 |
Hours Slept | 6 | 7 | 7 | 8 | 8 | 8 | 5 | 6.5 |
Test Score | 72 | 80 | 78 | 90 | 94 | 96 | 88 | 84 |
- Which factor (hours studied or hours slept) is a strongerassociation with test score? (Show data to support this).
Hours Slept is a stronger association
- What is the r-squared for hours studies vs test score andinterpret it.
- What is the regression equation for each association above anduse the Linreg T test to determine whether the equations are validpredictors of Test Score.
- Study vs Test score:
- Sleep vs Test score
- If someone studied 3.5 hours, what would be the predicted testscore?                                        Is using your equation a valid way to predict this?
