This topic contains a solution. Click here to go to the answer

Author Question: Paying for purchases One day a store tracked the way shoppers paid for their purchases. Their data ... (Read 109 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
Paying for purchases One day a store tracked the way shoppers paid for their purchases. Their data are summarized in the table.
 
  Cash Check Charge Total
  Male 18 10 12 40
  Female 18 12 30 60
  Total 36 22 42 100
  a. What percent of men paid cash?
  b. What is the conditional relative frequency distribution of payment method for women?
  c. If you wanted to show the association between gender and method of payment visually, what kind of graph would you make? (Just name it.)
  d. Is there evidence of an association between gender and method of payment? Explain briefly.

Question 2

Environmental researchers have collected rain acidity data for several decades. They want to see if there is any evidence that attempts to reduce industrial pollution have produced a trend toward less acidic rainfall.
 
  They should display their data in a(n)
  A) bar graph
  B) contingency table
  C) histogram
  D) timeplot
  E) boxplot


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 58% of students answer this correctly




kaid0807

  • Member
  • Posts: 515
Reply 2 on: Jul 25, 2018
:D TYSM


isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

For a complete list of videos, visit our video library