# 73/88-110 Performance Chart Information, 2003

Here are the important statistics for plotting your performance on the chart you were given at the beginning of the semester. This chart will allow you to track your overall performance, and detect key trends in your performance. Please use this information wisely---if you find yourself getting into trouble, seek help now!

The normalized score, which is what you plot in the charts, is obtained by using the following equation: Normalized_Score = (Your_Score - Average) / Standard_Deviation. For each chart, plot your normalized score and connect neighboring dots. (For plotting, the location on the X-axis is the assignment, and the Y-Axis gives the normalized score.) From this information you should be able to easily spot trends. Are your normalized scores consistently good or bad? Are they tending to move up or down over time? Do they jump around a lot?

• Homework Performance Chart

1. HW 1 (Supply and Demand): mean = 16.8 (median = 18.0) and standard deviation = 3.8.
2. HW 2 (Shifting Supply and Demand): mean = 14.2 (median = 16.5) and standard deviation = 7.2.
3. HW 3 (Sales Taxes): mean = 17.2 (median = 18) and standard deviation = 4.5.x.
4. HW 4 (Minimum Wages): mean = 16.3 (median = 18) and standard deviation = 4.6.
5. HW 5 (Prohibition): mean = 17.5 (median = 20) and standard deviation = 4.8.
6. HW 6 (Information): mean = xx.x (median = xx) and standard deviation = x.x.
7. HW 7 (Externalities): mean = xx.x (median = xx) and standard deviation = x.x.
8. HW 8 (Monopolies and Cartels): mean = xx.x (median = xx) and standard deviation = x.x.
9. HW 9 (Comparative Advantage): mean = xx.x (median = xx) and standard deviation = x.x.
10. HW 10 (Network Externalities): mean = 18.7 (median = 20) and standard deviation = 4.7.
11. HW 11 (Auctions): mean = xx.x (median = xx) and standard deviation = x.x.

• Exam Performance Chart

1. EX 1: mean = 79.7 (median = 89) and standard deviation = 20.2.
2. EX 2: mean = xx.x (median = xx) and standard deviation = x.x.

• Overall Performance Chart

1. PT 1: your score = hw1+hw2+hw3+hw4+hw5; mean = 82.0 (median = 86) and std dev = 17.0.
2. PT 2 (midterm): your score = hw1+hw2+hw3+hw4+hw5+ex1; mean = 161.7 (median = 171.5) and std dev = 34.4.
3. PT 3: your score = hw1+hw2+hw3+hw4+hw5+hw6+hw7+hw8+hw9+ex1; mean = xx.x (meadian = xx) and std dev = x.x.
4. PT 4: your score = hw1+hw2+hw3+hw4+hw5+hw6+hw7+hw8+hw9+hw10+ex1; mean = xx.x (median = xx) and std dev = x.x.