Question

47. Which of the following are assumptions for the ANOVA procedure?
(I) Independent subjects
(II) Sample size greater than 30
(III) Equal variances
(IV) Normality
: *
(A) I, II, and III only
(B) II and III only
(C) II, III, and IV only
(D) I, II, III, and IV
(E) I, III, and IV only

Questions 48-50: You are conducting a randomized block design, testing a new type of medicine that’s supposed to lower cholesterol, with the following partial summary:
Source   SS    DF
Medicine    5.20    4
Block    ____    __
Error    0.54    6
Total    12.91    19

48. What was the total sample size?: *
(A) 4
(B) 6
(C) 9
(D) 20

49. Find the block sum of squares.: *
(A) 1.17
(B) 1.73
(C) 7.17
(D) 7.71

50. How many blocks were included in the study?: *
(A) 4
(B) 5
(C) 7
(D) 10

Answer 1