Question

The number of emails a friend received each day over the last 20 days is shown below create a cumulative frequency table that represents the data. for how many days did she receive 19 or fewer emails?

15 22 18 9 32 35 14 10 34 45 21 25 6 12 7 14 16 20 5 37

Answer 1

Counting the number tabulated in the given above, it can be concluded that indeed there were 20 days in consideration. To determine how many days did they receive 19 or fewer emails, we just have to count the number less than 20. That is, 13 days out of the 20 working days.