TEST

1
TEST 3 ROMEExam Interpretation

• 110 01,02,03
• FALL 2008

2
Bell Curve

• Bell Curve so called because resembles a bell
• On any task (physical, intellectual, etc), humans
  are found to perform in such a fashion that
  graphing the outcomes results in a Bell Shape
• 7.14 perform Very Well (A) Poorly (F)
• 14.28 perform moderately Well (B) Moderately
  Poorly (D)
• 56 perform in an Average manner ( C)
• Stats
• The Mean (Average) on the Bell would be 75
• The Mode (Most frequently occurring score) would
  be a C
• See next slide for a perfect Bell Curve

3
Bell Curve7.14 14.28 56
14.28 7.14A B
C D F
4
Mrs. Fs Fall 08 110 Classes Test 3 -- ROME

• Somewhat flattened with Slight Skew to As Bs
• Cs Flattened skewed in BOTH directions
• Mean 74.8 Slightly (.2) Below Bell
  Prediction of 75
• Mode C Most frequently occurring score -
  Predicted
• Median (middle score) C equal s above
  below - Predicted
• Interpretation Means that
• Fewer than Predicted Cs ? flattening of Curve
• Predicted Bs Cs Performed BETTER than
  Predictions
• NO Predicted Cs Performed LOWER than Predictions
• See next slide, for Number Results
• of 137 students taking this test
• See slide after that, for 110 Curve superimposed
  over Bell

5
BELL CURVE in BLACK-- 110 in RED BELL 7.14
14.28 56
14.28 7.14 A
B C
D F CLASS
16 11.7 32 23.4 68 49.6
12 8.7 7 .51
6
137 Students Taking ExamMEAN 74.8 MODE C
MEDIAN C

• Bell Predicted 21.42 As Bs
• Class Made 23.4 or 1.98 More than
  Predicted
• Some Predicted Bs
  made As
• Bell Predicted 77.42 Cs or Better
• Class Made 84.7 or 7.28 More than Predicted
• Some Predicted Cs
  made As
• Bell Predicted 91.7 Passing Ds or Better
• Class Made 93.4 or 1.7 More than Predicted
• 1.7 more passed than was Predicted
• Bell Predicts 7.14 Fs
• Class Made .51 (1/2 of 1) or 6.63 more
  passed than Predicted
• OVERALL INTERPRETATION At all grades, many
  performed better than Bell predicted NO level
  performed worse than predicted. Tho marginal,
  still very Good!

7
SUGGESTIONS

• SLEEP EAT PROPERLY
• PRO-ACTIVE Learning
• ATTEND, BE AWAKE, PAY ATTENTION
• MORE STUDY, LESS CHAT
• University Recommendation for Study?
• 2 HRS. STUDY per CLASS HOUR 6 HRS. / WEEK /
  CLASS
• Mrs. Fortner Says
• Just give my class 15 minutes per class hour!
• Total of 45 minutes per week GO OVER NOTES!!
• ATTEND SI SESSIONS!!!