As part of a study on transportation safety, the U. S. Department of Transportation collected data on the number of fatal accidents per 1000 licenses and the percentage of licensed drivers under the age of 21 in a sample of 42 cities. Data collected over a one-year period follow. These data are contained in the WEBfile named Safety.
percent under fatal accidents per 1000 licenses21 2.962
13 0.709
12 0.885
8 1.652
12 2.091
11 2,627
17 2.83
18 0.368
8 1.142
13 0.645
8 1.028
9 2.801
16 1.405
12 1.433
9 0.039
10 0.338
9 1.849
11 2.246
12 2.855
14 2.352
14 1.294
11 4.1
17 2.19
8 3.623
16 2.623
15 0.835
9 0.82
8 2.89
14 1.267
8 3.224
15 1.014
10 0.493
10 1.443
14 3.614
18 1.926
10 1.643
14 2.943
16 1.913
12 2.814
15 2.634
13 0.926
9 3.256
1. Develop numerical and graphical summaries of the data.
2. Use regression analysis to investigate the relationship between the number of fatal accidents and the percentage of drivers under the age of 21. Discuss your findings.3. What conclusion and recommendations can you derive from your analysis?