Steven put 981 pieces of a puzzle. about how many pieces did they put together? round nearest thousand.

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.

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.