The standard deviation of the data is expressed by _____

Question

TuteeHUB · Accepted Answer

(s =   frac{  sum_{i=1}^n (x_i     overline{x})^2}{n-1}  )

TuteeHUB · Answer

(s =   left  {  frac{  sum_{i=1}^n (x_i     overline{x})^2}{n}  right  }^{1/2}  )

TuteeHUB · Answer

(s =   left  {  frac{  sum_{i=1}^n (x_i     overline{x})^2}{n-1}  right  }^{1/2}  )

TuteeHUB · Answer

(s =   frac{  sum_{i=1}^n (x_i     overline{x})^2}{n-1}  )

TuteeHUB · Answer

(s =   frac{  sum_{i=1}^n (x_i     overline{x})^2}{n}  )

1.	The standard deviation of the data is expressed by _____
A.	(s = left { frac{ sum_{i=1}^n (x_i overline{x})^2}{n} right }^{1/2} )
B.	(s = left { frac{ sum_{i=1}^n (x_i overline{x})^2}{n-1} right }^{1/2} )
C.	(s = frac{ sum_{i=1}^n (x_i overline{x})^2}{n-1} )
D.	(s = frac{ sum_{i=1}^n (x_i overline{x})^2}{n} )
Answer» C. (s = frac{ sum_{i=1}^n (x_i overline{x})^2}{n-1} )

Discussion