Janine is analyzing spending habits of students in her high school. she finds a mean monthly discretionary expense of $70 spent on having meals out with friends the standard deviation of the distribution is five. what is the variance?

Variance = 25

Step-by-step explanation:

Standard deviation is the under root of variance.

Variance is the square of standard deviation.

Data:

Mean = 70

Variance = ?

Standard deviation = √variance = 5

Variance = 5²

Variance = 25.

Therefore, the variance is 25.

c.

step-by-step explanation:

52 \43 i don't know this i tried