Question

A researcher for an organization that collectsand reports on crime has data on the murder rates for10

states from a certain year. The murder rate is the number of murders per100,000

inhabitants.The murder rate sample data are reproduced below. Use a TI-83, TI-83 Plus, or TI-84 to calculate the sample standard deviation and the sample variance of the murder rates.

• Round your answers to one decimal place.

Murders per 100k inhabitants

7.1

9

5.6

2.5

4.8

7

3.6

2.1

6.1