A Group of 52 Participants Was Divided Equally into 4 $\bar { X } _ { 1 } = 10.9 , \bar { X } _ { 2 } = 6.1 , M S _ { \text {error } } = 20$

Multiple Choice

A group of 52 participants was divided equally into 4 groups. A Tukey HSD produced a value that led to the conclusion that Mean 1 was significantly larger than Mean 2, p < .05. Which of the following situations would lead to such a conclusion?

A) $\bar { X } _ { 1 } = 10.9 , \bar { X } _ { 2 } = 6.1 , M S _ { \text {error } } = 20$
B) $\bar { X } _ { 1 } = 152 , \bar { X } _ { 2 } = 140 ; M S _ { \text {error } } = 130$
C) both of the descriptive alternatives are correct
D) neither of the descriptive alternatives is correct.