3) Using SPSS and the 2006 General Social Survey: assume the U.S. Census notes that the population average number of children in a household is 2.2. Using the 2006 General Social Survey [childs], test to see if the sample (at a 95% confidence level) is significantly different from the population number of children.

One-Sample Test Test Value = 2.2 95% Confidence Interval of the Mean Difference df Sig. (2-tailed) Difference Lower Upper NUMBER OF CHILDREN -12.033 4496 .000 -.302 -.35 -.25One-Sample Statistics Std. Error N Mean Std. Deviation Mean NUMBER OF CHILDREN 4497 1.90 1.682 025Ono-Sample Statistics Std. Error N mean Std. Deviation mean NUMBER OF CHILDREN 4497 1.90 1.682 .025 One-Sample Test Test Value = 23 95% Confidence Interval of the Mean Difference df Sig. (2-tailed) Difference Lower Upper NUMBER OF CHILDREN -841.190 4496 000 -21.102 -21.15 -21.05