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hw1 sol - Q1.a Histogram of hours of work Yolo County 2000...

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Q1.a Most of the Yolo County residents work zero or between 37 and 44 hours per week. 1.b 2-hour bins This gives a little bit more detailed information because of narrower bins. We can more clearly see the "spikes" at 0 and 40 hours. 0 10 20 30 40 50 60 Frequency Weekly hours of work Histogram of hours of work, Yolo County, 2000 Census 0 10 20 30 40 50 60 Frequency Hours worked per week Histogram of hours of work, Yolo County, 2000 Census
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1.c This is more informative to casual observers because it gives a rough sense of the fraction of total residents that fall in each bin. For example more than 30% of the observations are in the 40 hour bin. q1.d 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 2 6 10 14 18 22 26 30 34 38 42 46 50 54 58 62 66 70 74 78 More Relative Frequency Weekly Hours of work Histogram of hours of work, Yolo County, 2000 Census 71% 1% 1% 0% 0% 8% 0% 12% 7% Pie Chart, race categories, Yolo county, 2000 census White Black American Indian Alaska Native Other AmInd AkNative Asian alone Native Hawaiian / PI alone Other major race alone Two or more
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