Question

1. The standard deviation is the square root of?

a. The coefficient of determination

b. The sum of squares

c. The variance

d. The range

Answer 1

The standard deviation is the square root of variance.

the option c ) The Variance is the correct answer.

option a. ) is not correct answer Because The coefficient of determination is the r² it is the value of percent of variation in dependent variable has been explain by the indpendent variable. so it is not correct answer.

option b .) sum of squares is not the correct answer

option d.) Range = Maximum observation - Minimum observation Hence this is not correct answer.

the correct answer is the option c. ) The Variance.