If the sample mean difference is 3 points, which of the following ...

[APUS57]

If the sample mean difference is 3 points, which of the following sets of data would produce the largest value for Cohen's d?
 
  A) n = 10 for both samples and a pooled variance of 15
  B) n = 20 for both samples and a pooled variance of 15
  C) n = 30 for both samples and a pooled variance of 15
  D) Cohen's d is the same for all three of the samples.

Question 2

If the following scores were placed in a stem and leaf display, how many leaves would be associated with a stem of 6? Scores: 26, 45, 62, 11, 21, 55, 66 64, 55, 46, 38, 41, 27, 29 36, 51, 32, 25, 34, 44, 59
 
  A) 1
  B) 2
  C) 3
  D) 4

[wuly]

Answer to Question 1

D

Answer to Question 2

C