What is wrong with the following formula?
$S_{X}^{2}=\sqrt{\frac{\sum X^{2}-\frac{(\Sigma X)^{2}}{N}}{N}}$
A)The symbol $S_{X}^{2}$ indicates the sample variance, but the formula indicates the sample standard deviation.
B)The symbol $S_{X}^{2}$ indicates the estimated population variance, but the formula indicates the estimated population standard deviation.
C)The symbol $S_{X}^{2}$ indicates the sample variance, but the formula indicates the estimated population variance.
D)There is nothing wrong with the formula.

Question

Quizplus · Accepted Answer

The Answer is A

What Is Wrong with the Following Formula SX2=∑X2−(ΣX)2NNS_{X}^{2}=\sqrt{\frac{\sum X^{2}-\frac{(\Sigma X)^{2}}{N}}{N}}SX2​=N∑X2−N(ΣX)2​​​ A)The Symbol

What Is Wrong with the Following Formula $S_{X}^{2}=\sqrt{\frac{\sum X^{2}-\frac{(\Sigma X)^{2}}{N}}{N}}$ A)The Symbol