# Question

Consider the number of executives for all Seattle corporations with 500 or more employees:19

a. Find the average number of executives per firm.

b. Find the (sample) standard deviation, and briefly interpret this value.

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

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

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

f. Draw a histogram of this data set and indicate limits of one, two, and three standard deviations on the graph. Interpret your answers to parts c, d, and e in light of the shape of the distribution.

a. Find the average number of executives per firm.

b. Find the (sample) standard deviation, and briefly interpret this value.

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

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

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

f. Draw a histogram of this data set and indicate limits of one, two, and three standard deviations on the graph. Interpret your answers to parts c, d, and e in light of the shape of the distribution.

## Answer to relevant Questions

Repeat problem 6 with the extreme outlier omitted, and write a paragraph comparing the results with and without the outlier. Repeat problem 6 Consider the number of executives for all Seattle corporations with 500 or more ...For the ages: Answer the parts of exercise 1. a. Find the range. b. Find the standard deviation. c. Find the coefficient of variation. d. Compare these three summary measures. What do they tell you about typical salaries in ...a. What is the union of two events? b. What is the probability of “one event or another” if you know (1) Their probabilities and the probability of “one event and the other”? (2) That they are mutually exclusive? a. What is a probability? b. Which of the following has a probability number: a random experiment, a sample space, or an event? c. If a random experiment is to be run just once, how can you interpret an event with a ...The human resources department of a company is considering using a screening test as part of the hiring process for new employees and is analyzing the results of a recent study. It was found that 60% of applicants score high ...Post your question

0