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Data Set 6-4 $\begin{array} { l l } X & Y \\\hline 1 & 4 \\2 & 5 \\3 & 6\end{array}$

Question 54

Multiple Choice

Data Set 6-4
$\begin{array} { l l } X & Y \\\hline 1 & 4 \\2 & 5 \\3 & 6\end{array}$
-In Data Set 6-4, $\Sigma$ XYis

A) 90
B) 16
C) 21
D) none of the other alternatives are correct.

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