Define the boston marathon

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Reference no: EM131744739

Boston startup years 2007. When we considered the Boston Marathon in Exercise 15, we were unable to check the Nearly Normal Condition. Here's a histogram of the differences:

1387_c94f0dd0-4b62-45c0-aba0-8f321d380dcf.png

Those three large differences are the first three years of wheelchair competition: 1977, 1978, and 1979. Often the start-up years of new events are different; later on, more athletes train and compete. If we omit those three years, the summary statistics change as follows:

Summary of wheelchair = runM

N = 28

Mean =-12.1780

SD = 19.5116

Reference no: EM131744739

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