Solve the problem. During the first four months of the year, Jack earned $1190, $1070, $1190 and $1400. If Jack
must have an average salary of at least $1240 in order to earn retirement benefits, what
must Jack earn in the fifth month in order to qualify for benefits?
at least $1350
O at most $1213
at most $1240
O at least $1218

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.

the closest answer i got was 75 divided by 9 = 8.3

8 pages of sport cards 9 sports cards on each page

hope that