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

Author Question: An education researcher randomly selects 25 of the nation's junior colleges and interviews all of ... (Read 42 times)

wenmo

  • Hero Member
  • *****
  • Posts: 540
An education researcher randomly selects 25 of the nation's junior colleges and interviews all of the professors at each school. What sampling technique was used?
 
  A) convenience
  B) simple random
  C) stratified
  D) systematic
  E) cluster

Question 2

In a poll of 615 voters in a certain city, 70 said that they backed a bill which would limit growth and development in their city. The margin of error in the poll was reported as 4 percentage points (with a 95 degree of confidence).
 
  Which statement is correct?
  A) There is not enough information to determine whether the margin of error is consistent with the sample size
  B) The reported margin of error is consistent with the sample size
  C) The stated margin of error could be achieved with a smaller sample size
  D) The sample size is too small to achieve the stated margin of error



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

E

Answer to Question 2

C




wenmo

  • Member
  • Posts: 540
Reply 2 on: Jul 25, 2018
Excellent


amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

For a complete list of videos, visit our video library