There were a few unusually low scores on exam 1. We will look into these to see if it was a case of the wrong form entered for
the students' bubble sheets.
Here are the ordered raw scores (out of 22):
{1., 2., 2., 5., 6., 10., 12., 14., 14., 14., 15, 15, 15, 15., 15., 15., 16, 16., 16., 16., 16., 16., 16., 16., 17., 17., 17., 17., 17., 17., 18.,
18., 18., 18., 18., 18., 18., 18., 18., 18., 18., 18., 18., 18., 18., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19., 19.,
19., 19., 19., 19., 19., 19., 20., 20., 20., 20., 20., 20., 20., 20., 20., 20., 20.,
20., 20., 20., 20., 20., 20., 20., 20., 20., 20., 20., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21., 21.,
21., 21., 21., 22., 22., 22., 22., 22., 22., 22., 22.}
Mean = 18.17
Median = 19
First Quartile = 17
Third Quartile = 20
s = 3.91
Ojive
Histogram
Grade Scale for Exam : grade (0.0 to 4.0 scale) = 2.0 + 0.4 (Score - 15) rounded into the range [0, 4.3].