the cumulative frequency table using the data in the tally table. Answer
the questions below.
class sold cupcakes to raise money for a field trip. She made
this tally table to show how many cupcakes were sold each hour.
|1. How many cupcakes were sold in all by the end of the third hour?
|2. How many more cupcakes were sold in the first three hours than
in the last two hours?