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A Sample of Ten, Which Was Part of a Larger Σ\Sigma

Question 48

Multiple Choice

A sample of ten, which was part of a larger group the investigator was interested in, produced the following statistics: Σ\Sigma X= 20; Σ\Sigma X2 = 121. The standard deviation is


A) 2.85
B) 3.00
C) 8.10
D) 9.00.

Correct Answer:

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