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Many traffic experts argue that the most important factor in accidents is not the average speed of cars but the amount of variation Suppose that the speeds of a sample of 200 cars were taken over

Many traffic experts argue that the most
important factor in accidents is not the average
speed of cars but the amount of variation. Suppose
that the speeds of a sample of 200 cars were taken
over a stretch of highway that has seen numerous
accidents. Compute the variance and standard deviation
of the speeds, and interpret the results.
4.33 Xr04-33 Three men were trying to make the football
team as punters. The coach had each of them punt
the ball 50 times, and the distances were recorded.
a. Compute the variance and standard deviation for
each punter.
b. What do these statistics tell you about the punters?

Jun 22 2020 View more View Less

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