Row 1- 1/4, 0.20
row 2- 10%, 0.10
row 3- 4/5, 0.80
row 4- 33%, 1/3
The median is the number in the middle...so write your frequencies out, in least to greatest and find the one that falls in the middle.
Why would we need 3.14 as pi? The answer is 45/10 = 4.5 inches.
If his team packs 96 boxes in 4 hours, then in 1 hour, they pack 96/4 = 24. So, the answer is, they pack 24 boxes/hour.
