# Question

The following data represent scores earned by students in Sullivan’s Elementary Algebra course for Chapter 2 (Linear Equations and Inequalities in One Variable) and Chapter 3 (Linear Equations and Inequalities in Two Variables). Completely summarize the relation between Chapter 2 and Chapter 3 exam scores, treating Chapter 2 exam scores as the explanatory variable. Write a report detailing the results of the analysis. What does the relationship say about the role Chapter 2 plays in a student’s understanding of Chapter 3?

Chapter 2 Score .... Chapter 3 Score

71.4 .......... 76.1

76.2 .......... 82.6

60.3 .......... 60.9

88.1 .......... 91.3

95.2 .......... 78.3

82. .......... 100

100 .......... 95.7

87.3 .......... 81.5

71.4 .......... 50.7

95.2 .......... 81.5

95.2 .......... 87.0

85.7 .......... 73.9

71.4 .......... 74.6

33.3 .......... 45.7

78.0 .......... 37.3

83.3 .......... 88.0

100 .......... 100

81.0 .......... 76.1

76.2 .......... 63.0

Chapter 2 Score .... Chapter 3 Score

71.4 .......... 76.1

76.2 .......... 82.6

60.3 .......... 60.9

88.1 .......... 91.3

95.2 .......... 78.3

82. .......... 100

100 .......... 95.7

87.3 .......... 81.5

71.4 .......... 50.7

95.2 .......... 81.5

95.2 .......... 87.0

85.7 .......... 73.9

71.4 .......... 74.6

33.3 .......... 45.7

78.0 .......... 37.3

83.3 .......... 88.0

100 .......... 100

81.0 .......... 76.1

76.2 .......... 63.0

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