On Characterization of Norm-Referenced Achievement Grading Schemes toward Explainability and Selectability

Table 10

Grading results of RD−.

Score	Gap	Grade
80.8	—	<A,A,A,A>
80.2	0.6	<A,A,A,A>
78.7	1.5	<A,A,A,A>
76.8	1.9	<A,A,A,A>
76.1	0.7	<A,A,A,A>
75.2	0.9	<A,A,A,A>
75.1	0.1	<A,A,A,A>
72.5	2.6	<B,A,B,A>
72.1	0.4	<B,A,B,A>
71.6	0.5	<B,A,B,A>
70.8	0.8	<B,A,B,A>
70.6	0.2	<B,A,B,A>
69.1	1.5	<B,B,B,A>
68.7	0.4	<B,B,B,A>
68	0.7	<B,B,B,A>
67.6	0.4	<B,B,B,A>
66.7	0.9	<B,B,B,A>
66.7	0	<B,B,B,A>
65.8	0.9	<B,B,B,A>
63.5	2.3	<C,B,B,A>
61.6	1.9	<C,B,C,A>
61.5	0.1	<C,B,C,A>
61.4	0.1	<C,B,C,A>
60.7	0.7	<C,B,C,A>
60.5	0.2	<C,B,C,A>
59.2	1.3	<C,C,C,A>
58.7	0.5	<C,C,C,A>
58.5	0.2	<C,C,C,A>
57.8	0.7	<C,C,C,A>
57.4	0.4	<C,C,C,A>
56.6	0.8	<C,C,C,A>
55.7	0.9	<C,C,C,A>
55.5	0.2	<C,C,C,A>
55.5	0	<C,C,C,A>
55.2	0.3	<C,C,C,A>
55.2	0	<C,C,C,A>
55.1	0.1	<C,C,C,A>
54.7	0.4	<C,C,C,A>
53.9	0.8	<C,C,C,A>
52.6	1.3	<C,C,C,A>
52.5	0.1	<C,C,C,A>
51.7	0.8	<C,C,D,A>
51.3	0.4	<C,C,D,A>
51	0.3	<C,C,D,A>
50.7	0.3	<C,C,D,A>
50	0.7	<C,C,D,A>
48.8	1.2	<C,C,D,A>
48.7	0.1	<C,C,D,A>
48.6	0.1	<C,D,D,A>
46.7	1.9	<C,D,D,A>
46.4	0.3	<C,D,D,A>
46.2	0.2	<C,D,D,A>
45	1.2	<C,D,D,A>
44.9	0.1	<C,D,D,A>
44.6	0.3	<C,D,D,A>
44.5	0.1	<C,D,D,A>
43.5	1	<C,D,D,A>
42	1.5	<C,D,D,B>
35.7	6.3	<D,F,F,C>
28.4	7.3	<F,F,F,F>
28	0.4	<F,F,F,F>