Question

Match the following variables with the shape its histogram would likely display. 1. Heights of WPI students В A. Bimodal 2. Accurate length of 100 nails that are produced to be 2-inch. B. Unimodal and symmetric c. Unimodal and skewed right 3. Age at death for residents in US. D. Unimodal and skewed left 4. Individual annual incomes of US population. A

Answer 1

1. Height of WPI students - A. Binomdal
(2 modes, 1 each for men and women)

2. Accurate length of 100 nails that are produced to be 2-inch - B. Unimodal and symmetric

3. Age at death for residents in US - D. Unimodal and skewed left
(Some extreme values are of people who dies young)

4. Individual annual incomes of US population - C. Unimodal and skewed right
(Extreme values are of the few individuals who are billionaires with very large income)