Author Question: One sample is selected to represent scores in treatment 1 and a second sample is used to represent ... (Read 347 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
One sample is selected to represent scores in treatment 1 and a second sample is used to represent scores in treatment 2 . Which set of sample statistics would present the clearest picture of a real difference between the two treatments?
 
  a. M1 = 36, M2 = 40, and both variances = 43
  b. M1 = 36, M2 = 40, and both variances = 6
  c. M1 = 38, M2 = 40, and both variances = 43
  d. M1 = 38, M2 = 40, and both variances = 6

Question 2

There is a 6-point difference between two sample means. If the two samples have the same variance, which of the following values would make the mean difference easiest to see in a graph showing the two distributions?
 
  a. s2 = 2 c. s2 = 16
  b. s2 = 8 d. s2 = 64



dpost18

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library