The Following Data Are from an Independent-Measures Experiment Comparing Two

Essay

The following data are from an independent-measures experiment comparing two treatmentconditions.​ $\begin{array}{c}\begin{array}{c}\text {Treatment 1}\\4 \\5 \\12 \\10 \\10 \\7\end{array}\begin{array}{c}\text {Treatment 2}\\19\\11\\18\\10\\12\\14\\\end{array}\end{array}$
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a. Does the data indicate a significant difference between the treatments at the .05 level of significance?
b. Compute r² to measure the size of the treatment effect.
c. Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.​