Question

Job	Stress Rating
Mathematician	24
University Professor(Tenured)	4
Statistician	54
Actuary	54
Audiologist	1
Dental Hygienist	11
Software Engineer	18
Computer Systems Analyst	58
Occupational Therapist	28
Speech Pathologist	17

l. Find the standard deviation.

            m. Find the coefficient of variation.

            n. What is the 80^th percentile of this data set?

            o. Does this data set have any outliers? Use statistics in answering this question (not just your opinion).

            p. Would you use the Empirical rule or Chebyshev’s Theorem here and why?

            q. Based on the mean and median calculated above, would you expect this data to be symmetric, skewed to the left or skewed to the right and why?

Answer 1