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

Author Question: A sample consists of every 20th worker from a group of 4000 workers. What sampling technique was ... (Read 57 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
A sample consists of every 20th worker from a group of 4000 workers. What sampling technique was used?
 
  A) convenience
  B) systematic
  C) stratified
  D) simple random
  E) cluster

Question 2

At one college, GPAs are normally distributed with a mean of 2.9 and a standard deviation of 0.6. What percentage of students at the college have a GPA between 2.3 and 3.5?
 
  A) 68.26 B) 99.74 C) 95.44 D) 84.13



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

B

Answer to Question 2

A




fbq8i

  • Member
  • Posts: 527
Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

For a complete list of videos, visit our video library