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vertical axis = cumulative frequency

horizontal axis = time in minutes

 

This is a cumulative frequency graph that shows the times of students during a cross-country race of the two classes 1e and 5e. All students participated in the race.

 

1a. How many students are there in class 1e?

1b. What is the median of class 1e?

1c. What is the interquartile range of class 5e?

1d. Someone concludes that based on the graph class 1e performed better than class 5e. What argument could they have used?

 

 

 

I'm not a native English speaker so I did my best translating. Thanks for the help!

 Feb 21, 2019

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