106 students handed in midterm.
midterm as a whole: mean 51.5943
stdev 12.9857
Per-problem statistis:
Num 1: mean 1.698113
stdev 1.140339
Num 2: mean 10.000000
stdev 3.308080
Num 3: mean 4.103774
stdev 0.814714
Num 4: mean 2.000000
stdev 0.000000
Num 5: mean 5.433962
stdev 2.502900
Num 6: mean 3.066038
stdev 2.303684
Num 7: mean 2.264151
stdev 1.101473
Num 8: mean 4.641509
stdev 2.295149
Num 9: mean 1.339623
stdev 1.062986
Num 10: mean 3.419811
stdev 2.372341
Num 11: mean 2.094340
stdev 3.183917
Num 12: mean 0.367925
stdev 1.402999
Num 13: mean 4.669811
stdev 0.978271
Num 14: mean 2.570755
stdev 1.003387
Num 15: mean 0.603774
stdev 1.119545
Num 16: mean 3.320755
stdev 3.669217
Per-problem statistics, omitting zero grades:
Num 1: mean 2.142857
stdev 0.829413
Num 2: mean 10.291262
stdev 2.874836
Num 3: mean 4.182692
stdev 0.588584
Num 4: mean 2.000000
stdev 0.000000
Num 5: mean 5.877551
stdev 2.041734
Num 6: mean 3.611111
stdev 2.069323
Num 7: mean 2.637363
stdev 0.654930
Num 8: mean 5.072165
stdev 1.890003
Num 9: mean 1.710843
stdev 0.898863
Num 10: mean 4.027778
stdev 2.044452
Num 11: mean 6.727273
stdev 1.181235
Num 12: mean 4.875000
stdev 2.027159
Num 13: mean 4.714286
stdev 0.869749
Num 14: mean 2.930108
stdev 0.307534
Num 15: mean 2.064516
stdev 1.126957
Num 16: mean 6.285714
stdev 2.616666
The distribution of the scores are given below. Each bar gives the
count of the number of peoples with scores ranging from 5*i to 5*i+4,
where i is the index below the bar. (The right most bar also includes
100.)
You may wish to study the answer key, esp in preparation for the final.
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