An administrator at the Department of Motor Vehicles (DMV) tracked the average wait time from month to month.
Average waiting time at the DMV
Month Waiting time (minutes)
June
38
July
35
August
30
September
40
October
37
According to the table, what was the rate of change between September and October?
minutes per month
Submit

the median here is 25. your lowest value is 14 and highest value is 48. to find the third quartile, find the medium number in between 25 and 48 which would be 42 i believe.

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads