For the given scores X = 12 and Σxi = 192, then n =
For the given scores \(\overline{X}\) = 12 and Σxi = 192, then n =
A) 12
B) 15.8
C) 16
D) 18
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2 Answers
Correct option is (C) 16
\(\overline X=\frac{\sum x_i}n\)
\(\Rightarrow\) \(n=\frac{\sum x_i}{\overline X}\)
\(=\frac{192}{12}\) = 16
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