Question
For the frequency distribution :
Variate (x) : x1 x2 x3 .... x15
Frequency (f) : f1 f2 f3 ...... f15
where 0 < x1 < x2 < x3 < ... < x15 = 10 and
$\sum\limits_{i = 1}^{15} {{f_i}} $ > 0, the standard deviation cannot be :
Variate (x) : x1 x2 x3 .... x15
Frequency (f) : f1 f2 f3 ...... f15
where 0 < x1 < x2 < x3 < ... < x15 = 10 and
$\sum\limits_{i = 1}^{15} {{f_i}} $ > 0, the standard deviation cannot be :