on Wednesday 70% of what's in their students who ate lunch also brought snacks there are 250 students ate lunch how many of these 250 students brought snacks​

175

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.

b

step-by-step explanation: