Compute r2 to measure the percentage of the variance


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 α = .05, is there a significant difference between the two treatment conditions?
c. Compute r2 to measure the percentage of the variance accounted for by the treatment effect.

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Basic Statistics: Compute r2 to measure the percentage of the variance
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