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Demographic Analysis of Chicago in 2000 and Economic Trends in Zaire

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rowena
18 diapositives · 319 Views · Aug 14, 2014

In 2000, Chicago's population consisted of approximately 1.053 million African Americans, 907,000 non-Hispanic whites, 754,000 Hispanics, and 181,000 others. This data highlights the city's diverse demographic structure. Additionally, in 1994, Zaire’s per capita GNP fell to $125, a significant decrease of 70% from 1958 levels. The analysis also covers percentage changes in financial contexts, illustrated by examples such as retail price changes and overall percentage savings, essential for understanding economic implications and consumer behavior.

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  1. In Chicago in the year 2000, there were approximately 1.053 million African Americans, 907 thousand whites (non-Hispanic), 754 thousand Hispanics, and 181 thousand others (other races or two or more races). What percentage of Chicagoans in 2000 were of Hispanic origin?

  2. Assignment 2

  3. Activity 4 Problem In 1994, Zaire’s per capita GNP was $125 (70% lower than it was in 1958).  What was Zaire’s per capita GNP in 1958? What a lot of you did: Notice, though,

  4. Same as: Multiply both sides by x: Add x to both sides: Factor out an x:

  5. Successive Percents

  6. Let’s say you have $100 and you increase this by 5% to get to… $100*(1+.05) = $105 If you decrease $105 by 5% you get: $105*(1-.05) =$99.75 What is the overall percentage change? Started with $100 Ended with $99.75

  7. Dog Jeans are on sale for 40% off the retail price. The retail price is $40.00. If you have a coupon, you can receive an additional 20% off the sale price. What are the overall percentage savings?

  8. The sale price: $40*(1-.4) = $24 Determine the final price with coupon: $24*(1-.2) = $19.20

  9. The overall percentage change?? Not 60%

  10. Absolute vs Relative Quantities

  11. The absolute quantity is a measure of the absolute occurrence of the variable. • The relative quantity is the absolute quantity divided by some other quantity. • Three kinds of relative quantities…

  12. Percentages Fractions or percents are used when comparing part to total of the same type of variable. (example: percent of adults with HIV) Sorting Autosum Change to percent / decimal

  13. Rates Rates are used to compare different types of variables (example: tickets per person, miles per hour, or crimes per 1000 people) Map it

  14. Ratios Ratios are used to compare the same type of variable from two sources. California’s population is 33,872,000 and Oregon’s population is 3,421,000. Clearly CA’s population is larger but how many times larger? 33,872,000/3,421,000 = 9.90

  15. The moon is 383 thousand kilometers away from earth. The sun is 149 million kilometers away. How many times further away is the sun than the moon?

  16. Absolute or Relative? I have 16 cheeseburgers. I have 100% more cheeseburgers than you. I have 2 times as many cheeseburgers as you. You have 8 cheeseburgers. I eat 3 cheeseburgers per hour.

  17. Absolute or Relative? I have 16 cheeseburgers. Absolute I have 100% more cheeseburgers than you. Relative I have 2 times as many cheeseburgers as you. Relative You have 8 cheeseburgers. Absolute I eat 3 cheeseburgers per hour. Relative