Math 8 Data
Cohort Comparison Data
Avg Diff
Weighted Avg Diff
Cohort Comparison Chart

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P
1	1999 - 2001 Math 8 Assessment Comparisons
2
3	Multiple Choice Questions				Session 1 Questions				Session 2 Questions
4		#	Your School % Correct	GV % Correct	Difference	#	Your School % Correct	GV % Correct	Difference	#	Your School % Correct	GV % Correct	Difference	Average % Difference	Total # of Questions	Weighted Average % Difference
5	Key Idea 1 A	3		63.5	-63.5	2		60.2	-60.2	2		59.9	-59.9	-61.2	7	-428.4
6	Key Idea 1 B	0				1		72.5	-72.5	0				-72.5	1	-72.5
7	Key Idea 1 C	3		75.0	-75.0	2		64.2	-64.2	0				-69.6	5	-348.0
8	Key Idea 1 D	0				0				2		31.9	-31.9	-31.9	2	-63.8
9	Key Idea 2 A	7		77.6	-77.6	0				2		59.1	-59.1	-68.4	9	-615.6
10	Key Idea 2 B	1		43.7	-43.7	1		33.2	-33.2	0				-38.5	2	-77.0
11	Key Idea 2 C	2		75.9	-75.9	1		30.4		0				-75.9	3	-227.7
12	Key Idea 2 D	2		64.9	-64.9	2		58.5	-58.5	0				-61.7	4	-246.8
13	Key Idea 3 A	10		69.2	-69.2	0				1		58.8		-69.2	11	-761.2
14	Key Idea 3 B	1		86.6	-86.6	0				1		28.6	-28.6	-57.6	2	-115.2
15	Key Idea 3 C	3		63.6	-63.6	0				1		50.6	-50.6	-57.1	4	-228.4
16	Key Idea 3 D	4		38.7	-38.7	0				0				-38.7	4	-154.8
17	Key Idea 3 F	0				0				1		36.6	-36.6	-36.6	1	-36.6
18	Key Idea 3G	3		60.3	-60.3	0				2		41.4	-41.4	-50.9	5	-254.5
19	Key Idea 4 A	3		68.5	-68.5	1		78.1	-78.1	0				-73.3	4	-293.2
20	Key Idea 4 B	1		68.3	-68.3	1		53.2	-53.2	0				-60.8	2	-121.6


21	Key Idea 4 C	1		71.8	-71.8	1		81.0	-81.0	1		58.2	-58.2	-70.3	3	-210.9
22	Key Idea 4 D	1		89.7	-89.7	0				1		66.4	-66.4	-78.1	2	-156.2
23	Key Idea 4 F	0				0				1		37.1	-37.1	-37.1	1	-37.1
24	Key Idea 4 H	3		77.4	-77.4	0				2		77.1	-77.1	-77.3	5	-386.5
25	Key Idea 4 J	0				1		35.7	-35.7	0				-35.7	1	-35.7
26	Key Idea 5 A	1		69.6	-69.6	0				1		55.0	-55.0	-62.3	2	-124.6
27	Key Idea 5 B	2		68.7	-68.7	0				0				-68.7	2	-137.4
28	Key Idea 5 C	3		54.7	-54.7	1		42.9		2		39.6	-39.6	-47.2	6	-283.2
29	Key Idea 5 D	6		79.8	-79.8	1		57.5	-57.5	1		72.3	-72.3	-69.9	8	-559.2
30	Key Idea 6 A	1		60.0	-60.0	0				0				-60.0	1	-60.0
31	Key Idea 6 B	4		77.7	-77.7	1		45.2	-45.2	2		68.6	-68.6	-63.8	7	-446.6
32	Key Idea 6 C	0				1		70.2		1		70.1	-70.1	-70.1	2	-140.2
33	Key Idea 6 E	1		95.3	-95.3	0				1		68.7	-68.7	-82.0	2	-164.0
34	Key Idea 7 A	1		87.5	-87.5	1		33.1	-33.1	1		55.0	-55.0	-58.5	3	-175.5
35	Key Idea 7 B	2		67.5	-67.5	0				1		42.5	-42.5	-55.0	3	-165.0
36	Key Idea 7 C	2		67.3	-67.3	0				2		58.6	-58.6	-63.0	4	-252.0
37	Key Idea 7 D	0				0				1		61.0	-61.0	-61.0	1	-61.0
38	Key Idea 7 E	1		93.0	-93.0	0				0				-93.0	1	-93.0
39	Key Idea 7G	1		74.4	-74.4	0				2		49.6	-49.6	-62.0	3	-186.0
40	Key Idea 7 H	4		67.1	-67.1	0				1		72.1	-72.1	-69.6	5	-348.0


41	Key Idea 7 I	0				0				1		53.0	-53.0	-53.0	1	-53.0
42	Key Idea 7 J	0				0				1		33.3	-33.3	-33.3	1	-33.3
43	Key Idea 7 K	4		74.6	-74.6	0				0				-74.6	4	-298.4
44	Totals:	81			-71.1	18			-56.0	35			-53.1		134

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	A	B	C	D	E	F	G	H	I	J
1	1999 - 2001 Math 8 Cohort Comparisons
2
3	SPI Comparison by Cohort
4		1999			2000			2001
5		Your School	GV	Difference	Your School	GV	Difference	Your School	GV	Difference
6	Key Idea 1 - Mathematical Reasoning		50	-50		63	-63		63	-63
7	Key Idea 2 - Number and Numeration		75	-75		59	-59		51	-51
8	Key Idea 3 - Operations		50	-50		59	-59		59	-59
9	Key Idea 4 - Modeling/Multiple Representation		72	-72		67	-67		58	-58
10	Key Idea 5 - Measurement		66	-66		53	-53		62	-62
11	Key Idea 6 - Uncertainty		75	-75		62	-62		69	-69
12	Key Idea 7 - Patterns/Functions		47	-47		63	-63		65	-65
13	Averages:	#DIV/0!	62.1	-62.1	#DIV/0!	60.9	-60.9	#DIV/0!	61.0	-61.0

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