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Based on the information given, it should be noted that the value of ΣX is 15 while the value of ΣXY is 34.
<h3>How to compute the values.</h3>From the table, the following can be depicted:
- X = Children in family of origin.
- Y = Number of planned children
- XY = Product of X and Y.
Therefore, the value of ΣX will be:
= 3 + 3 + 3 + 2 + 4 = 15
ΣY = 3 + 1 + 2 + 2 + 3 = 11
The value of ΣXY will be:
= 9 + 3 + 6 + 4 + 12 = 34
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