There are 168 hours in a week. If you spend all of it sleeping and having fun, you will earn very little money. On the other hand, if you spend much of it working, do you earn more? In other words, do people earn more money each year when they work a greater number of hours each week? The Current Population Survey contains the relevant data, which are in the included dataset.

a) Compute a regression of HH income on Hours Worked. State the null and alternative hypotheses associated with this regression.

b) Are the assumptions for regression satisfied?

c) What would you write to a manager regarding this analysis?