iReady2 and Quiz Analysis - Math

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	398.3	23.9	346	453

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	431.2	23.0	381	479	67.1	21.8	16.8	100.0
3	38	449.2	23.8	350	486	65.0	21.7	16.7	95.8
4	47	452.4	19.8	382	481	61.6	18.1	11.3	89.0
5	50	470.9	32.0	394	602	63.5	24.4	11.0	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	0.717
3	36	0.644
4	46	0.701
5	44	0.692

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	399.7	23.0	364	453	63.1	24.1	12.8	100.0
1B	21	396.7	25.3	346	431	63.4	19.3	22.3	94.3
2A	17	439.4	24.5	400	479	77.6	15.6	51.5	100.0
2B	17	423.1	18.7	381	455	56.6	22.5	16.8	100.0
3A	19	459.2	13.2	440	486	71.0	21.2	29.2	95.8
3B	19	439.2	28.0	350	478	58.3	20.9	16.7	95.8
4A	23	452.5	18.4	411	481	56.7	18.8	11.3	89.0
4B	24	452.4	21.5	382	475	66.5	16.3	27.7	88.7
5A	24	464.8	20.9	425	508	66.0	25.0	16.5	100.0
5B	26	476.2	39.0	394	602	61.1	24.1	11.0	91.7

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

Correlations by Class

Correlation between iReady2 and Quiz by Class

Class	n_pairs	Correlation
1A	23	0.754
1B	21	0.787
2A	17	0.783
2B	17	0.624
3A	19	0.517
3B	17	0.687
4A	23	0.652
4B	23	0.821
5A	21	0.811
5B	23	0.752