Table 7 Problems per KC for the 2014 and 2015 Statistics courses

Good

N = 45

Median: 5

Mean: 7.04

Range: 2–38

N = 39

Median: 9

Mean: 10.21

Range: 3–36

Low and flat

N = 1

4 KCs

N = 1

4 KCs

Still high

N = 12

Median: 6.5

Mean: 8.42

Range: 3–17

N = 7

Median: 6

Mean: 14.43

Range: 5–47

No learning

N = 40

Median: 5.5

Mean: 7.15

Range: 1–39

N = 56

Median: 8

Mean: 9.23

Range: 3–52

Too little data

N = 9

Median: 1

Mean: 1.22

Range: 1–2

N = 4Median: 4.5

Mean: 4.25

Range: 2–6

TOTAL

N = 107

Median: 5

Mean: 6.72

Range: 1–39

N = 107

Median: 8

Mean: 9.69

Range: 2–52