Author Question: The t-test for the mean difference between 2 related populations assumes that the respective: A) ... (Read 122 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?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

For a complete list of videos, visit our video library