iReady2 and Quiz Analysis - Reading

Analysis by Grade

Grades K and 1: iReady2 Descriptive Statistics

iReady2 Descriptive Statistics for Grades K and 1

Grade	n	iReady2_Mean	iReady2_SD	iReady2_Min	iReady2_Max
1	44	439.7	54.0	275	552
K	47	373.0	32.1	309	486

Grades 2-5: Full Analysis

Descriptive Statistics by Grade

Descriptive Statistics for Grades 2-5

Grade	n	iReady2_Mean	iReady2_SD	iReady2_Min	iReady2_Max	Quiz_Mean	Quiz_SD	Quiz_Min	Quiz_Max
2	34	508.8	59.8	371	600	53.3	14.9	28.0	89.3
3	38	514.2	46.6	377	594	65.4	15.1	32.0	96.3
4	48	536.5	39.0	416	607	62.0	11.0	30.3	85.3
5	50	547.0	56.1	407	661	61.8	21.9	10.3	100.0

Overall Scatterplot for Grades 2-5

Individual Scatterplots for Grades 2-5

Grade 2

Grade 3

Grade 4

Grade 5

Correlations for Grades 2-5

Correlation between iReady2 and Quiz for Grades 2-5

Grade	n_pairs	Correlation
2	34	0.540
3	36	0.571
4	45	0.652
5	43	0.868

Analysis by Class

Descriptive Statistics by Class

Descriptive Statistics by Class

Class	n	iReady2_Mean	iReady2_SD	iReady2_Min	iReady2_Max	Quiz_Mean	Quiz_SD	Quiz_Min	Quiz_Max
1A	23	436.8	57.6	275	518	NaN	NA	Inf	-Inf
1B	21	442.8	51.0	364	552	NaN	NA	Inf	-Inf
2A	17	520.1	65.7	371	600	50.4	12.5	35.7	78.7
2B	17	497.5	52.9	387	587	56.3	16.9	28.0	89.3
3A	19	527.2	32.8	480	594	64.8	13.1	32.0	81.7
3B	19	501.3	55.0	377	583	66.0	17.5	35.0	96.3
4A	23	540.7	28.5	485	589	63.9	8.4	46.7	81.3
4B	25	532.5	47.3	416	607	60.1	13.1	30.3	85.3
5A	24	554.4	53.2	408	615	67.6	19.0	27.5	95.0
5B	26	540.9	58.8	407	661	56.5	23.4	10.3	100.0
KA	23	367.0	23.8	315	418	NaN	NA	Inf	-Inf
KB	24	379.0	38.3	309	486	NaN	NA	Inf	-Inf

Overall Scatterplot by Class

Individual Scatterplots by Class

Class 1A

Class 1B

Class 2A

Class 2B

Class 3A

Class 3B

Class 4A

Class 4B

Class 5A

Class 5B

Class KA

Class KB

Correlations by Class

Correlation between iReady2 and Quiz by Class

Class	n_pairs	Correlation
1A	0	NA
1B	0	NA
2A	17	0.623
2B	17	0.620
3A	19	0.407
3B	17	0.703
4A	22	0.715
4B	23	0.624
5A	20	0.878
5B	23	0.868
KA	0	NA
KB	0	NA