$$\begin{array}{l}\text { Group } 1& \text { Group } 2\\15 & 22 \\12 & 21 \\8 & 17 \\3 & 15\end{array}$$

question 73

Short Answer

$$\begin{array}{l}\text { Group } 1& \text { Group } 2\\15 & 22 \\12 & 21 \\8 & 17 \\3 & 15\end{array}$$
-Using the data above , calculate an independent t.

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