Q1. Here are some data on the rates of crime in several U.S. states for 3 years, 1996, 1997, 1998 (crimes known to the police per 100,000 population). City199619971998Massachusetts383736753436Minneso

Q1. Here are some data on the rates of crime in several U.S. states for 3 years, 1996, 1997, 1998 (crimes known to the police per 100,000 population).

City

1996

1997

1998

Massachusetts

3837

3675

3436

Minnesota

5118

4917

4683

Minnesota

4463

4414

4047

Mississippi

4523

4630

4384

Missouri

5084

4815

4826

Montana

4494

4409

4071

Nebraska

4437

4284

4405

Nevada

5992

6065

5281

New Hampshire

2824

2640

2420

New Jersey

4333

4057

3654

New Mexico

6602

6907

6719

New York

4132

3911

3589

North Carolina

5526

5492

5322

Calculate the median and mean for each year (5 pts)

What happened to the average crime rates in this sample of states over the 3-year period? Do the mean and median give the same impression? (5 pts)

Extra credit: Is there skew in the crime rates for either of the 3 years? If so, what kind? (3 pts)

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