The Mann-Whitney U test assumes . a. the population ...

[Capo]

The Mann-Whitney U test assumes .
 
  a. the population distributions of the two groups being compared are normallydistributed
 b. the scores are either interval or ratio measures
  c. the population variances of the two groups being compared are equal
  d. each participant contributes only one score to the data

Question 2

n = 250, p = 0.206
 
  A) Minimum: 45.105; maximum: 57.895 B) Minimum: 64.289; maximum: 38.711
  C) Minimum: 42.457; maximum: 60.543 D) Minimum: 38.711; maximum: 64.289

[Moriaki]

Answer to Question 1

D

Answer to Question 2

D