The Oak Harbor School used the Dumbarton University Math Battery (DUMB) to test the math achievement
Question: A researcher conducts an independent-measures research study and obtains t = 2.070 with df = 28.
a. How many individuals participated in the entire research study?
b. Using a two-tailed test with a = .05, is there a significant difference between the two treatment conditions?
c. Compute r2 to measure the percentage of variance accounted for by the treatment effect.
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See Solution: The answer consists of 1 page
Deliverables: Word Document
Deliverables: Word Document
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