CK-12-Basic Probability and Statistics Concepts - A Full Course

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 8. Organizing and Displaying Data for Comparison


The resulting graph looks like the following:


b. Looking at the speed of Nicholas’s family vehicle and the shape of the graph, it could be concluded that Nicholas’s
family was traveling on the highway going toward their family vacation destination. The family did not stop and
continued on at a pretty steady speed until they reached where they were going.


Jordan’s trip was more relaxed. The speed indicates they were probably not on a highway, but more on country-type
roads, and that they were traveling through a scenic route. In fact, from hours 3 to 4, the family stopped for some
reason (maybe lunch), and then they continued on their way.


Guided Practice


Christopher and Jack are each opening businesses in their neighborhoods for the summer. Christopher is going to
sell lemonade for 50cper glass. Jack is going to sell popsicles for $1.00 each. The following graph represents the
sales for each boy for the 8 weeks in the summer.

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