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list of vehicles and their horsepower. These are: 211    230    182    155   320   310   320   140...

list of vehicles and their horsepower. These are:

211    230    182    155   320   310   320   140

177    138    306    310   171   169   150

a) Find the mean and standard deviation of the horsepower data.

b) Draw a normal probability plot (QQ plot) for the horsepower data

c) Draw a histogram of the horsepower data.

d) Using the actual data, find the number of cars with horsepower higher than the first car listed (211 hp). Then divide by 15 to get a percent.

Math   Statistics-And-Probability   
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