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

Author Question: Which of the following statistical tests would one use to compare the means from two groups? a. ... (Read 51 times)

cnetterville

  • Hero Member
  • *****
  • Posts: 547
Which of the following statistical tests would one use to compare the means from two groups?
 
  a. Pearson r
  b. t test
  c. chi-square
  d. z score test

Question 2

Smaller sample sizes tend to __________ confidence intervals, whereas larger sample sizes tend to __________ confidence intervals.
 
  a. have no effect on; shrink
  b. widen; have no effect on
  c. shrink; widen
  d. widen; shrink



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

b

Answer to Question 2

d




cnetterville

  • Member
  • Posts: 547
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review


mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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?

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.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library