### Test whether the significant difference between treatments

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##### Reference no: EM1321358

The following data are from a research study comparing two treatment conditions. Do the data indicate a significant difference between treatments? Use a two-tailed test with ∝ = .05.

a. For the first test, assume the data are from an independent-measures study using two separate samples.

b. For the second test, assume the data are from a repeated-measures study using the same sample of n = 5 participants in both treatments.

c. Explain why the 2-point 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

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