Using two-tailed test with alpha .05 is there significant, Ask an Expert

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Illustrate all the work and compute step by step

1. A researcher performs the independent -measures research study and obtains t =2.070 with df= 28.
a. How many individuals participated in entire research study?
b. Using two-tailed test with α = .05, is there significant difference between two treatment conditions?
c. Calculate r2 to measure percentage of variance accounted for by treatment effect.

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