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# show all the work and calculation step by step plz 1. A researcher conducts an independent -measures research study and obtains t =2.070 with df= 28....

show all the work and calculation step by step plz 1. 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.