Question: Police records show the following numbers of daily crime reports for a sample of days during the winter months and a sample of days during the summer months. Use a .05 level of significance to determine whether there is a significant difference between the winter and summer months in terms of the number of crime reports. What is your conclusion?

Winter Summer

18 28

20 18

15 24

16 32

21 18

20 29

12 23

16 38

19 28

20 18