How stable is program quality in child care centre classrooms?

International Journal of Child Care and Education Policy

Table 6 Average differences between lowest and highest AQI scores of individual classrooms by centre type

Centre type	M	SD	Min	Median	Max	IQR
Commercial single	0.47	0.29	0.03	0.39	1.61	0.39
Commercial multi	0.46	0.25	0.04	0.39	1.16	0.39
Non-profit single	0.53	0.30	0.03	0.50	1.93	0.41
Non-profit multi	0.49	0.26	0.04	0.46	1.43	0.39
Municipal	0.35	0.18	0.01	0.36	0.75	0.32
All centre types	0.49	0.27	0.01	0.46	1.93	0.40