Difference in the shape of the distribution of sample means

Assignment Help Basic Statistics

Reference no: EM13143307

Scrapper Elevator Company has 20 sales representatives who sell its product throughout the United States and Canada. The number of units sold last month by each repre-sentative is listed below. Assume these sales figures to be the population values.

a. Draw a graph showing the population distribution.

b. Compute the mean of the population.

c. Select five random samples of 5 each. Compute the mean of each sample. Use the methods described in this chapter and Appendix B. 6 to determine the items to be included in the sample.

d. Compare the mean of the sampling distribution of the sample means to the popula-tion mean. Would you expect the two values to be about the same?

e. Draw a histogram of the sample means. Do you notice a difference in the shape of the distribution of sample means compared to the shape of the population distribution?

Reference no: EM13143307

Questions Cloud

What is the approximate alveolar pco2 for this person : A person normal tidal volume is 400 mL with a dead spas of 100 mL. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar PCO2 for this..

Define cad is a better choice then traditional drafting : Think of a situation where CAD is a better choice then traditional drafting. Given multiple ways to input coordinates, is one way better than another? Are there situations where you ell use one method over and other?

What are commonly used components : What are commonly used components when measuring economic damages in a wrongful discharge case? Describe each component and explain why it should be used in the damage calculation.

Accounts receivable balance-related audit : How does accounts receivable balance-related audit objectives relate to real life? What I mean is, not in accounting, can you apply these principles to an everyday thing like football or something.

Difference in the shape of the distribution of sample means : Draw a histogram of the sample means. Do you notice a difference in the shape of the distribution of sample means compared to the shape of the population distribution?

Apa code of ethics say : What does the APA code of ethics say about the use of deception is research? Was deception used in the study that you summarized? If so, how did it enhance the study results or if not, why not?

Describe the multiple levels of cdk regulation : Describe the multiple levels of cdk regulation and the significance of regulated cdks in the regulation of the cell cycle.

What is amount of total assets : You know that net earnings are $50,000, opening retained earnings $25,000, dividends $20,000, common shares $2,000, current assets $26,000 and total liabilities are $33,000. What is amount of total assets?

Key points in the builders steel co. v. marshall case? : Regarding OSHA Law write a 200 word essay in anystlye discussing the key points in the Builders Steel Co. v. Marshall case?

User Account

All Pages