Author Question: The t-test for the mean difference between 2 related populations assumes that the respective: A) ... (Read 120 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
The t-test for the mean difference between 2 related populations assumes that the respective:
 
  A) sample sizes are equal.
  B) sample variances are equal.
  C) populations are approximately normal or sample sizes are large.
  D) All of the above

Question 2

The general format for a confidence interval is:
 
  A) point estimate  z (standard deviation).
  B) point estimate  (critical value)(standard error).
  C) margin of error  (confidence coefficient) (standard error).
  D) point estimate  (critical value)(standard deviation)



Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Jbrasil

  • Sr. Member
  • ****
  • Posts: 337

 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library