Question: The following data are from an independent-measures experiment comparing two treatment conditions Treatment 1: Treatment 2: 6 19 13 9 8 18 4 10 13

The following data are from an independent-measures experiment comparing two treatment

conditions

Treatment 1: Treatment 2:

6 19

13 9

8 18

4 10

13 12

4 14

11 19

5 11

a. Do these data indicate a significant difference between the treatments at the .05 level of significance? Use a two-tailed test.

b. Compute Cohen's d to measure the size of the treatment effect.

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