This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 87

Question:

This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 87 years.

(a) From the grouped data, calculate the mean. Show your calculations clearly in a worksheet.

(b) What additional information would you have gained by having the raw data?

(c) Do you think it likely that the distribution of times within each interval might not be uniform? Why would that matter?

Distribution
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