This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Book sales A publishing company pays its sales staff 600 a week plus a commission of 0.50 per book ... (Read 446 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 25, 2018
Book sales A publishing company pays its sales staff 600 a week plus a commission of 0.50 per book sold. For example, a salesman who sold 440 books earned 600 + 0.50(440 ) = 820.
 
  a. The table shows summary statistics for the number of books the large sales staff sold last week. Fill in the table to show the statistics for the pay these people earned.
  Statistic Books Sold  Earned
  Mean 640
  St. dev. 360
  IQR 450
  Maximum 1420
  b. The newest employee had a pretty good week. Among all the salespeople her pay corresponded to a z-score of +1.80. What was the z-score of the number of books she sold?

Question 2

Commuting to work The table shows how a company's employees commute to work.
 
  Transportation
  Job Class Car Bus Train Total
  Management 26 20 44 90
  Labor 56 106 168 330
  Total 82 126 212 420
  a. What is the marginal distribution (in ) of mode of transportation?
   Car _____Bus _____Train _____
  b. What is the conditional distribution (in ) of mode of transportation for management?
   Car _____Bus _____Train _____
  c. What kind of display would you use to show the association between job class and mode of transportation? (Just name a graph.)
  d. Do job classification and mode of transportation appear to be independent? Give statistical evidence to support your conclusion.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 25, 2018
Answer to Question 1

a.
Statistic Books Sold  Earned
Mean 640 920
Standard deviation 360 180
IQR 450 225
Maximum 1420 1310

Answer to Question 2

a. Car: 19.5 Bus: 30 Train: 50.5
b. Car: 28.9 Bus: 22.2 Train: 48.9
c. segmented bar graph, or pie charts
d. No, there is a difference between the percents in two types of transportation - Car and Bus categories, depending on the Job Classification.
Car Bus Train
Management 28.9 22.2 48.9
Labor 17.0 32.1 50.9
Although about half of each group take the train, management are more likely than labor to come by car and less likely to take a bus.


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jul 25, 2018
YES! Correct, THANKS for helping me on my review

kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Book scorpian Book scorpian
The Stillwater Mining Company The Stillwater Mining Company
Rupture of membranes before the 37th week of pregnancy Rupture of membranes before the 37th week of pregnancy
A company that sells sweatshirts finds that the profit can be modelled by P(s)= ... A company that sells sweatshirts finds that the profit can be modelled by P(s)= ...
Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ... Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ...
Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ... Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ...
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

For a complete list of videos, visit our video library