please refer to the image below and kindly please answer.

Which statement is true about the 1 point standard deviation of a discrete random variable? 0 It deals about the average or center of location of the probability distribution. 0 It is obtained by multiplying the x values and its corresponding probability. 0 It is the square root of the variance of discrete random variable It is the summation of the product of the 0 square of the difference of x and its probability