If the scores are 3, 7, and 5, what is ΣX?

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Multiple Choice

If the scores are 3, 7, and 5, what is ΣX?

Explanation:
ΣX is the total of all observed values. Add the given scores: 3 + 7 + 5 equals 15. So ΣX is fifteen. If you later needed the average, you’d divide by the number of scores (3), which would give an average of 5.

ΣX is the total of all observed values. Add the given scores: 3 + 7 + 5 equals 15. So ΣX is fifteen. If you later needed the average, you’d divide by the number of scores (3), which would give an average of 5.

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