At a T-shirt stand on the boardwalk, 5 of the last 15 shirts sold were gray. Considering this data, how many of the next 12 shirts sold would you expect to be gray?

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.