Question

The average starting salary for graduates at a university is $25,000 with a standard deviation of $4,000. if a histogram of the data shows that it takes on a bell shape (normally distributed), the empirical rule says that approximately 68% of the graduates would have a starting salary between

Answer 1

The empirical rule says 68% of the distribution should fall within one standard deviation of the mean, so you should expect salaries between $\ 25000-\ 4000=\ 21000$ and $\ 25000+\ 4000=\ 29000$