1.0/ 1.0 PointsQuestion 15 of 20The following data represents the percent change in tuition levels at public, four-year colleges(inflation adjusted) from 2008 to 2013 (Weissmann, 2013). Below is the frequency distribution and ogive.Class LimitsCumulative Frequency2.2 – 11.7611.8 – 21.32621.4 – 30.937

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31.0 – 40.54140.6 – 50.14350.2 – 59.74559.8 – 69.34869.4 – 78.950Based on the information, how many colleges had a percent change in tuition below 50.2%?
A. 37B. 45C. 43D. 80Answer Key: Feedback: The Class Limit of 40.6 - 50.1 has a cumulative frequency value of 43. The next class limit starts at 50.2.
C
Question 16 of 20What type of graph is the figure below?

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B
Part 7 of 8 - Scatter Plots Knowledge Check Homework
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Question 17 of 20A scatterplot allows one to see:
C
Question 18 of 20What kind of relationship between x and y is demonstrated by the scatter plot below?

1.0/ 1.0 PointsQuestion 19 of 20The following data show the height (in inches) of a sample of students.68 68 64 62 67 72 67 70 67 67 69 66 69 74 71 70 67 70 72 69 65 71 68 68 66Fill in the blanks to create a stem leaf plot for these data. Key is 6|3 = 63. Report values for Leaf column in increasingorder and do not keep spaces or commas between values.
A
Part 8 of 8 - Stem and Leaf Knowledge Check Practice
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StemLeaf624566777778888999700011224Answer Key: 24566777778888999, 00011224