Question: Consider the parking data in Example 10-12. (a) Use the paired t-test to investigate the claim that the two types of cars have different levels

Consider the parking data in Example 10-12.

(a) Use the paired t-test to investigate the claim that the two types of cars have different levels of difficulty to parallel park. Use α = 0.10.

(b) Compare your results with the confidence interval constructed in Example 10-12 and comment on why they are the same or different.

(c) Investigate the assumption that the differences in parking times are normally distributed.

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