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

Essay

The following data are from an independent-measures experiment comparing two treatment conditio
$$\begin{array} { c c } \text { Treatment 1 } & \text { Treatment 2 } \\\hline 6 & 19 \\13 & 9 \\8 & 18 \\4 & 10 \\13 & 12 \\4 & 14 \\11 & 19 \\5 & 11\end{array}$$
a.Do these 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.