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 69 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
Wow, this really help


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

For a complete list of videos, visit our video library