Test whether the significant difference between treatments.
The following data are from a research study comparing two treatment conditions. Do the data indicate a significant difference between treatments? Utilize a twotailed test with ∝ = .05.
a. For the first test, suppose the data are from an independentmeasures study using two separate samples.
b. For the second test, assume the data are from a repeatedmeasures study using the same sample of n = 5 participants in both treatments.
c. describe why the 2point mean difference is significant for one test but not for the other.
Treatment 1

Treatment 2

10

11

2

5

1

2

15

18

7

9

M = 7

M = 9

SS = 134

SS = 150
