AIDS in the Circle City
Travel Time to Work
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AIDS in the Circle City Travel Time to Work |
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For my third set of correlations, I chose to look at the amount of time people spent going to work. Because the zip codes with the highest cumulative AIDS rates are downtown and close to the downtown area, I assumed that the lowest travel times would correlate with the cumulative AIDS cases. In fact, they did. For people who replied on the U.S. Census from 2000 that they took less than 5 minutes to travel to work, the correlation coefficient was 0.339. By a scant 0.0125, this is higher than my required correlation coefficient of 0.3265. Although this is not the strongest correlation, it is still reflected in the scatter plot and makes sense.
The positive correlation is still able to be seen, with the outlying point with the arrow is the zip code (46202) that includes the majority of the downtown area; it is also the zip code with the highest cumulative AIDS cases and the highest AIDS rate. Although the zip code with the highest cumulative AIDS rate is included in the above scatter plot, it was actually a commute of 5-9 minutes that had the strongest correlation. With a coefficient of 0.559, it is well over my required 0.3265. It is showing that as the percent of people whose commute is 5 – 9 minutes increases so does the number of cumulative AIDS cases. The zip codes surrounding 46202 are relatively close to downtown as well and one contains Massachusetts Avenue, a local gay hotspot.
Conversely, the percent of the population with the strongest negative correlation were those people whose commutes lasted about 30 – 34 minutes. This correlation makes sense. The majority of people who live on the outskirts of the city and commute to downtown or even the outskirts of downtown have some of the lowest cumulative AIDS rates in the county. (map) The scatter plot for this group of commuters shows a fairly clear correlation. The coefficient was -0.541.
The people who live anywhere from 20 – 29 minutes from work also had strong negative correlations. The group who lived 20 – 24 minutes had a correlation coefficient of 0.403 and the group who lived 25 – 29 minutes from work had a coefficient of 0.521. Their scatter plots are as follows:
Of all the
travel times, the group with the clearest negative correlation on
a scatter plot was the commuters from 25 – 29 minutes. Perhaps this is
because there are a wider variety of people who commute with this amount
of time.
Back to Unmarried Male Partner Households Next to Modes of Transportation
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