Total Population Sample 1 Sample 2 Sample 3 123 45678 9 10 11 12 13 14 15 16 17

Question

Total Population Sample 1 Sample 2 Sample 3 123 45678 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 AsianBlack Hispanic White Data souroe: Ethnic and gender distributions based on data from the U.S. Census Bureau 2010. "State&County Quickfacts: state of Califomia. "Retrleved August 9, 2011 (http://quickfacts.census gov/qfd/lindex.Html) For each of the samples, click on the respective tab (Sample 1, Sample 2, and so forth) at the top of the image to see the sample. Then for each of the four ethnicities listed, count the number present in the sample and use the counts to predict the diversity in the population. To get credit for your predictions, select the percentages appropriate for each ethnicity from the dropdown menus in the random sample column of the following table. (Note: Because the sample has 10 people, the predicted population percentage will be the count multiplied by 10 (for example: if you count 5 people, the percentage is 50%). To start you off, the percentage of Asian people in Sample 1 has been done for you. Sample 2 10% 10% 40% 40% Sample 3 1096 0% 40% 50% Sample 1 40% Asian Black Hispanic White Total Population 13% 5% 39% 43% Do you think you can tell which sample most closely represented the actual population? (Note: This is an exploratory exercise. Answer

Explanation / Answer

HERE IN SAMPLE ONE WE HAVE TOTAL 10 PEOPLE OUT OF WHICH

4 ARE ASIAN __________ 40 %

0 ARE BLACK __________ 0 %

5 ARE HISPANIC __________ 50 %

1 IS WHITE __________ 10 %

ALSO SAMPLE 3 HAS MOST CLOSELY REPRESENTED THE ACTUAL POPULATION.

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