Mathematics sat question

A

Step-by-step explanation:

You should simplify this, here is like a variable.

Now here you just simplify the variables and calculate the numbers.

equals

which is "A"

I hope it helps you. Please choose my answer as the BRAINLIEST

answer: slight chance that it will happen

step-by-step explanation:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.