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hw2 sol - 1a Relative Frequency of Ages for Kids in...

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1a 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Relative Frequency of Ages for Kids in California, March 2007, CPS The ages are close to uniformly distributed over the range 0-17. There are slightly more older children than there are younger children. 1b age Mean 8.913379218 Standard Error 0.065952772 Median 9 Mode 12 Standard Deviation 5.090340734 Sample Variance 25.91156878 Kurtosis -1.167963915 Skewness -0.093494737 Range 17 Minimum 0 Maximum 17 Sum 53097 Count 5957 Confidence Level(95.0%) 0.129291328
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