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Last school year, Trent kept track of the amount of time he spent on homework each night. This box plot shows the results.
Time spent on homework (min.)
20
40
60
80
100
120
What percent of the time did Trent spend at least 80 minutes on homework?
%
To find the percent of the time Trent spent at least 80 minutes on homework, we need to look at the box plot.
From the box plot, we can see that the 75th percentile (Q3) is at 80 minutes. This means that 75% of the data falls below 80 minutes. Therefore, the percentage of the time Trent spent at least 80 minutes on homework would be 100% - 75% = 25%.
So, Trent spent at least 80 minutes on homework 25% of the time.