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

From: Estimating the minimum number of opportunities needed for all students to achieve predicted mastery

KC Classification Spring 2014 Fall 2015
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