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3. (28 pts) The number of vacation days used by a sample of twenty employees in...

3. (28 pts) The number of vacation days used by a sample of twenty employees in a recent year is shown.

3   9   2   1   7   5   3   2   2   6   4   0   10   0   3   5   7   8   6   5

a. Find the percentile rank of 4 in the data set.

b. What value corresponds to the 88th percentile?

c. Determine the quartiles.

d. Graph the box-and- whisker plot.

e. Find the lower and upper fences.

f. Are there any outliers? Explain.

Math   Statistics-And-Probability   
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