**Written by Lisa Parsons Rockdale County

Title:  Data Interpretation                     Subject:  Algebra Concepts

Topic:  Statistics and Probability           Grade:  8th      Designer(s):  Lisa Parsons

Algebra Concepts (Variables - Grade 5)

Attachment 1

The following is the set of test scores for 4th Period’s Unit 2 Test Scores.  Examine the scores and answer the questions that follow.

 85 85 90 75 65 90 60 75 100 90 70 70 75 55 75 95 95 80 80 80 85 90 70 90 65

QUESTIONS:

1.   What was the class average?

2.   Which score was scored most often?

3.   What was the lowest score?

4.   What was the highest score?

5.   Are there more A’s, B’s, C’s, D’s or F’s?

Created by Lisa Parsons

Attachment 2

# HEIGHT IN INCHES

 102 105 99 98 97 99 90 89 84 90 97 98 97 101 97 97 85 86 100 104

 90 90 87 86 82 82 85 85 79 75 77 92 93 67 88 88 89 84 86 87

 60 59 55 65 67 78 78 79 69 67 57 57 58 65 65 63 64 67 70 70

# WEIGHT IN POUNDS

 60 65 63 80 77 59 70 83 65 67 65 68 64 65 65 65 67 67 68 70

 100 98 95 90 96 89 88 100 100 87 83 80 91 87 84 83 87 87 87 86

 115 105 105 128 127 110 111 110 109 107 106 129 130 100 100 135 130 104 103 112

# HAIR COLOR

 GREEN 7 ORANGE 2 PURPLE 9 BLUE 2

 GREEN 4 ORANGE 5 PURPLE 4 BLUE 7

 GREEN 2 ORANGE 11 PURPLE 6 BLUE 1

# EYE COLOR

 GREEN 2 PINK 6 YELLOW 10

 GREEN 5 PINK 11 YELLOW 4

 GREEN 9 PINK 5 YELLOW 6

Attachment 3