# Question

For the annual salary levels:

a. Construct a histogram and indicate the average and standard deviation.

b. How many employees are within one standard deviation from the average? How does this compare to what you would expect for a normal distribution?

c. How many employees are within two standard deviations from the average? How does this compare to what you would expect for a normal distribution?

d. How many employees are within three standard deviations from the average? How does this compare to what you would expect for a normal distribution?

a. Construct a histogram and indicate the average and standard deviation.

b. How many employees are within one standard deviation from the average? How does this compare to what you would expect for a normal distribution?

c. How many employees are within two standard deviations from the average? How does this compare to what you would expect for a normal distribution?

d. How many employees are within three standard deviations from the average? How does this compare to what you would expect for a normal distribution?

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