7.44 Child care hours.The China Health and Nutrition Survey aims to examine the effects of the health, nutrition, and family planning policies and programs implemented by national and local governments.38It, for example, collects information on number of hours Chinese parents spend taking care of their children under age 6. The side-by-side box plots below show the distribution of this variable by educational attainment of the parent. Also provided below is the ANOVA output for comparing average hours across educational attainment categories.

Child care hours 8 0.... Primary school Lower middle school Df education 4 Residuals 794 653047.83 Upper middle school Technical or vocational College Sum Sq Mean Sq F value Pr(>F) 4142.09 1035.52 1.26 0.2846 822.48