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The Notebook

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Testing in the Classroom:

Interpreting a Set of Class Test Scores

Group Project

2/22/05

Stephen Truog

Jason McCauley

Micah Carter

The following is a summary of Algebra test scores for 150 9th grade students. The tests were multiple-choice with a total of 25 items, and were given at the end of each quarter. Each test covered the content of that quarter's instruction.

EXAM Mean Standard Deviation Range

1. (First Quarter) 20.2 2.96 6-23

2. (Second Quarter) 19.5 4.76 4-25

3. (Third Quarter) 17.5 1.81 5-25

4. (Fourth Quarter) 14.0 2.90 6-22

1. What can you justifiably say about

a. the scores?

The test scores decrease as the year goes by and the range stays the same.

b. the tests?

The tests get harder as the year progresses. Test #2, for whatever reason, has abnormally wide scores.

c. the students?

The

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