Iknow im not supposed to put more then one question in here but im out of points and this is due in less than an hour! d:
sorry for the troubles, and in advanced!
ps: theres 3 questions, could you just do something like
1: a, 2: b, 3: c,
xx

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.

a. she will receive a refund of $278.

step-by-step explanation: