The following data set shows the winning times (in seconds) for the Kentucky Derby races from 1950

Question:

The following data set shows the winning times (in seconds) for the Kentucky Derby races from 1950 to 2010.

a. Do you think there will be a trend in the winning times over the years? Draw a line chart to verify your answer.
b. Describe the distribution of winning times using an appropriate graph. Comment on the shape of the distribution and look for any unusual observations.

Distribution
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