Need some help really confused

The property is Multiplication.

Explanation:

Add the numbers in the parentheses first. (Remember, read left to right!) You will get 8. Add 8 to 4 and you will get 12.

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.