Finding the Percentiles

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lea8802

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An article by Scott M Berry titled "Drive for Show and Putt for Dough" discussed driving distances of PGA golfers. The mean distance for the tee shots on the men's PGA tour was 272.2 yards with a standard deviation of 8.12 yards. Assuming that the 1999 tee-shot distances are normally distributed, determine the quartiles of the driving distances.

I know the second quartile would be 272.2, because that is the mean, but I would I go about finding the first and the third?
 
"Quartile" means "in quarters". So the first quartile would be "zero up to 25%", the second quartile would be up the fiftieth percentile (which, as you noted, is the mean), the third quartile would be "up to 75%", and the fourth quartile would be "up to 100%".

So use your tables to find these numbers.

Eliz.
 
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