Question

Which change would affect the median?
22, 19, 38, 24, 22, 3, 23, 21

eliminating the outliers

adding the data points 13 and 20 to the set

adding 5 to either outlier

decreasing the smallest and largest numbers by 1

Answer 1

the best approach to this would be to first eliminate the answers that cannot be correct.
eliminate:
1.eliminating the outliers
2.adding 5 to either outlier
3.decreasing the smallest and largest numbers by 1

Answer 2

this leaves only one option. add 13 and 20 to the data set and see if the median is changed

Answer 3

Double check and try it for yourself