When regressing Murder on the dummy variable HSEducated, the estimated coefficient on HSEducated means that: States with more than 50% high school graduates have, on average, 4.55 murders per 100,000 people. States with more than 50% high school graduates have, on average, 4.55 fewer murders per 100,000 people. States with less than 50% high school graduates have, on average 4.55 fewer murders per 100,000 people. An increase in the percentage of high school graduates by 1%, will decrease the murder rate by 4.55 people per 100,000 people