A sample of ten, which was part of a larger group the investigator was interested in, produced the following statistics: $\Sigma$X= 20; $\Sigma$X² = 121. The standard deviation is A) 2.85 B) 3.00 C) 8.10 D) 9.00.

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The Answer of A sample of ten, which was part of a larger group the investigator was interested in, produced the following statistics: $\Sigma$X= 20; $\Sigma$X² = 121. The standard deviation is A) 2.85 B) 3.00 C) 8.10 D) 9.00.

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

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