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Appendix A <br /> Means and Confidence Intervals <br /> Orange County School District <br /> Average Number of Bedrooms versus <br /> Number of Public School Children <br /> 3.20 <br /> 3.10 T <br /> 0 <br /> a 3.00 1 <br /> E2.90 -- T <br /> Z 2.80 <br /> 0 1 2 3+ <br /> Number of Public School Children <br /> Average House Area versus <br /> Number of Public School Children <br /> • <br /> 1,600 <br /> 1,550 1 <br /> 1,500 T <br /> 1,450 <br /> Q <br /> a 1 1 <br /> 1,350 <br /> 1,300 <br /> 0 1 2 3+ <br /> Number of Public School Children <br /> Average House Value versus <br /> Number of Public School Children <br /> $75,000 <br /> $70,000 1 <br /> d $65,000 i <br /> 0 } <br /> s $60,000 } <br /> $55,000 <br /> 0 1 2 3+ <br /> Number of Public School Children <br /> Note: Each graph shows the difference in means and the 95% Confidence Intervals. <br />