State with reason whether the following statements are True or False:

1.	State with reason whether the following statements are True or False: (i) Sum of square of the deviations of items from their arithmetic mean is the maximum. (ii) Standard Deviation is based on all values. (iii) For a given set of observations, standard deviation is always more than mean deviation from mean.
Answer» State with reason whether the following statements are True or False: (i) Sum of square of the deviations of items from their arithmetic mean is the maximum. (ii) Standard Deviation is based on all values. (iii) For a given set of observations, standard deviation is always more than mean deviation from mean.

State with reason whether the following statements are True or False: (i) Sum of square of the deviations of items from their arithmetic mean is the maximum. (ii) Standard Deviation is based on all values. (iii) For a given set of observations, standard deviation is always more than mean deviation from mean.

Answer»

(i) Sum of square of the deviations of items from their arithmetic mean is the maximum.

(ii) Standard Deviation is based on all values.

(iii) For a given set of observations, standard deviation is always more than mean deviation from mean.