Sketch a curve that represents the frequency distribution

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The mean of a set of normally distributed data is 12 and the standard deviation is 1.5.

a. Sketch a curve that represents the frequency distribution.

b. Name the interval about the mean in which about 68.3% of the data are located.

c. What percent of the data is between 7.5 and 16.5?

d. What percent of the data is between 9 and 15?

Reference no: EM131351682

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