14 17 20 23 26 29 32 35 38 41 44 47 50 530

1

2

3

4

Score midpoint

Freq

uenc

y

Exam IMean = 36.3/50 (72.6%)

32 34 36 38 40 42 44 46 48 50 52 54 56 580

1

2

3

4

5

Score midpoint

Freq

uenc

y

Exam IIMean = 50.6/63 (80.1%)

81.5 82.5 83.5 84.5 85.5 86.5 87.5 88.5 89.5 90.5 91.5 92.5 93.50

1

2

3

4

Score midpoint

Freq

uenc

y

Proj 1Mean = 87.7/100

32 35 38 41 44 47 50 53 56 59 62 650

1

2

3

4

Score midpoint

Freq

uenc

y

Exam IIIMean = 49.8/72 (69.2%)