A local group claims that the police issue at least 60 parking tickets a day in their area. To prove their point, they randomly select two weeks. Their research yields the number of tickets issued for each day. The data are listed below. At a significance level of 0.01, test the group's claim.

Data: 70 48 41 68 69 55 70 57 60 83 32 60 72 58

a. At a significance level of 0.01, test the group's claim. Please include TI-84 commands.

b. According to your conclusion in part a, what type of error can occur?

c. What would be the consequences of this type of error?