Why is the standard deviation used more frequently than the? variance? choose the correct answer below.
a. the units of variance are squared. its units are meaningless.
b. the standard deviation is easier to compute.
c. the standard deviation requires less entries from the data set?

Option A

Step-by-step explanation:

Given are 3 options to check why standard deviation is more used than variance.

Variance is the average of square of deviations from the mean.

Std deviation is frequently used because for normal distribution std deviations give a measure about probability.

Hence option a is right.

a. the units of variance are squared. its units are meaningless

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

answer: 12

step-by-step explanation:

because yes