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Author Question: One sample is selected to represent scores in treatment 1 and a second sample is used to represent ... (Read 311 times)

vHAUNG6011

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on: Jun 20, 2018
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

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


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