Sheet1

21-260: Differential Equations
2005 Fall
	Course Statistics
	Cumulative Average
	Cumulative Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)	3.07					Section A	75.82		A cutoff	83.67	=M + 0.54 Sd		A's	29	32%
	Q1 (%)	68.24		Mean	72.34		Section B	74.02		B cutoff	73.67	=M + 0.06 Sd		B's	29	32%
	Q2 (%)	79.38		Sdev	20.91		Section C	75.54		C cutoff	63.67	=M - 0.42 Sd		C's	13	14%
	Q3 (%)	84.91					Section D	68.51		D cutoff	51.33	=M - 1.01 Sd		D's	10	11%
	Max (%)	99.20					Section E							R's	11	12%
	Homework Average
	Homework Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)	6.96					Section A	82.98		A cutoff	85	=M + 0.3 Sd		A's	49	53%
	Q1 (%)	68.45		Mean	77.74		Section B	84.99		B cutoff	75	=M - 0.12 Sd		B's	14	15%
	Q2 (%)	86.26		Sdev	23.77		Section C	74.48		C cutoff	65	=M - 0.54 Sd		C's	10	11%
	Q3 (%)	93.95					Section D	71.20		D cutoff	50	=M - 1.17 Sd		D's	9	10%
	Max (%)	100.00					Section E							R's	10	11%
	Exam #1
	Exam Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)	27					Section A	70.64		A cutoff	80	=M + 0.62 Sd		A's	24	27%
	Q1 (%)	65		Mean	70.83		Section B	71.77		B cutoff	70	=M - 0.06 Sd		B's	30	33%
	Q2 (%)	72		Sdev	14.62		Section C	74.94		C cutoff	60	=M - 0.75 Sd		C's	17	19%
	Q3 (%)	81					Section D	68.68		D cutoff	50	=M - 1.43 Sd		D's	10	11%
	Max (%)	100					Section E							R's	9	10%
	Exam #2
	Exam Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)	28					Section A	81.36		A cutoff	85	=M + 0.17 Sd		A's	45	53%
	Q1 (%)	76		Mean	82.66		Section B	82.79		B cutoff	75	=M - 0.56 Sd		B's	19	22%
	Q2 (%)	87		Sdev	13.68		Section C	85.00		C cutoff	65	=M - 1.3 Sd		C's	9	11%
	Q3 (%)	92					Section D	81.97		D cutoff	50	=M - 2.39 Sd		D's	10	12%
	Max (%)	99					Section E							R's	2	2%
	Exam #3
	Exam Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)	28					Section A	77.10		A cutoff	85	=M + 0.46 Sd		A's	25	31%
	Q1 (%)	70		Mean	77.89		Section B	74.77		B cutoff	75	=M - 0.2 Sd		B's	24	30%
	Q2 (%)	81		Sdev	15.17		Section C	81.69		C cutoff	65	=M - 0.85 Sd		C's	18	23%
	Q3 (%)	88					Section D	77.48		D cutoff	55	=M - 1.51 Sd		D's	5	6%
	Max (%)	98					Section E							R's	8	10%
	Final Exam
	Exam Statistics						Mean by Recitation			Grade Cutoffs				Grade Distribution
	Min (%)						Section A			A cutoff				A's	0
	Q1 (%)			Mean			Section B			B cutoff				B's	0
	Q2 (%)			Sdev			Section C			C cutoff				C's	0
	Q3 (%)						Section D			D cutoff				D's	0
	Max (%)						Section E							R's	0

Sheet2

Sheet3