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

Author Question: Tallies and cross-tabulations are used to summarize which of these variable types? a. Quantitative ... (Read 75 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Tallies and cross-tabulations are used to summarize which of these variable types?
 a. Quantitative
  b. Mathematical
  c. Continuous
  d. Categorical

Question 2

Gallup's standard of living measure reports the percentage of Americans who say their standard of living is getting better versus the percentage who say their standard of living is getting worse. Results are based on telephone interviews with approximately 3,000 national adults. The margin of error is reported as 2 percentage points. In January of 2011, 49 reported that their standard of living is getting better. Provide an interval of numbers that is 95 certain to cover the true percentage of Americans who report that their standard of living is getting better.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebe

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

0.49  0.02 or (0.47, 0.51) or 47 to 51 percent.




urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 24, 2018
Gracias!


coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library