The standard deviation of the data is expressed by _____
Posted: Thu Jul 14, 2022 1:47 pm
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) \(s = \frac{\sum_{i=1}^n (x_i – \overline{x})^2}{n}\)
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) \(s = \frac{\sum_{i=1}^n (x_i – \overline{x})^2}{n}\)