Which state below is incorrect.

•the mean is not affected by the existence of an outlier.
•the median is not affected by the by the existence of an outlier.
•the standard deviations is affected by the existence of an outlier.
•the interquartile range is unaffected by the existence of an outlier.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

True or false look at the picture pls : /