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First Exam Fall10

# First Exam Fall10 - Question 1 2 3 4 5 20 20 20 100 Earned...

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Question Value Earned 1 20 2 20 3 20 4 20 5 20 100 0 1) Below is an abstract map of the "Back of the Yards" neighborhood in Chicago, Illi 10 street intersections at which to conduct interviews of consumers. Using techniqu find a random sample of ten intersections. (Hint: Easiest to pick ten named streets r numbered streets). In addition to listing your sample, make sure you explain the procedure you are using Damen Winchester Wolcott Honore Wood Avenue Avenue Avenue Street Street | | | | | | | | | | 47th Street = = = = = | | | | | | | | | | 48th Street = = = = = | | | | | | | | | | 49th Street = = = = = | | | | | | | | | | 50th Street = = = = = | | | | | | | | | | 51st Street = = = = = | | | | | | | | | | 52nd Street = = = = = | | | | | | | | | | 53rd Street = = = = = | | | | | | | | | | 54th Street = = = = = | | | | | | | | | | 55th Street = = = = = Answer : Since the data is for 9 streets and 9 named streets. We are naming all street names from 1-9 and Step 1 To use rand function Intersections 1 0.15 2 0.57 3 0.46

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4 0.03 5 0.31 6 0.14 7 0.74 8 0.59 9 0.83 10 0.07 11 0.52 12 0.49 13 0.48 14 0.72 15 0.26 16 0.88 17 0.82 18 0.92 19 0.06 20 0.89 21 0.36 22 0.1 23 0.17 24 0.3 25 0.25 26 0.62 27 0.13 28 0.67 29 0.59 30 0.32 31 0.79 32 0.75 33 0.88 34 0.25 35 0.78 36 0.2 37 0.39 38 0.51 39 0.79 40 0.23 41 0.58 42 0.3 43 0.72 44 0.07 45 0.02 46 0.98 47 0.95 48 0.83 49 0.9 50 0.02 51 0.72 52 0.26 53 0.11 54 0.89 55 0.56 56 0.36
57 0.52 58 0.69 59 0.04 60 0.11 61 0.01 62 0.83 63 0.86 64 0.89 65 0.08 66 0.64 67 0.09 68 0.48 69 0.15 70 0.88 71 0.7 72 0.73 73 0.18 74 0.42 75 0.8 76 0.2 77 0.4 78 0.75 79 0.03 80 0.3 81 0.77 Intersections Step 2 7 0.02 1.84 2 Omit Step 3 58 0.03 2.75 3 Step 4 65 0.02 1.93 2 71 0.04 3.27 3 Omit Step 5 4 0.13 10.39 10 8 0.1 8 8 31 0.14 11.57 12 37 0.09 7.2 7 53 0.15 11.82 12 63 0.16 13.2 13 67 0.07 5.88 6 68 0.11 9.29 9 76 0.15 12.3 12 13 0.27 22.08 22 34 0.26 21.27 21 47 0.27 21.94 22 57 0.22 17.44 17 72 0.22 18.21 18 2 0.38 30.51 31 15 0.36 29.38 29 27 0.29 23.36 23 29 0.32 25.84 26 35 0.29 23.63 24 40 0.3 24.56 25 46 0.3 23.99 24

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48 0.29 23.14 23 73 0.29 23.12 23 5 0.42 33.89 34 6 0.41 33.01 33 11 0.48 38.59 39 16 0.42 33.76 34 17 0.42 33.89 34 20 0.47 37.98 38 28 0.46 37.54 38 36 0.48 38.7 39 39 0.46 37.55 38 54 0.45 36.49 36 3 0.52 41.77 42 21 0.53 42.99 43 30 0.57 45.8 46 45 0.54 44.04 44 55 0.53 43.18 43 60 0.56 45.1 45 66 0.52 41.95 42 18 0.66 53.77 54 22 0.66 53.35 53 25 0.64 52.15 52 26 0.69 55.52 56 43 0.62 49.95 50 49 0.63 50.93 51 52 0.7 56.58 57 56 0.65 52.72 53 59 0.62 50.05 50 61 0.7 57.06 57 75 0.68 55.15 55 81 0.64 51.92 52 1 0.78 63.55 64 12 0.76 61.61 62 23 0.74 59.62 60 41 0.74 59.72 60 74 0.79 64.16 64 79 0.74 60.08 60 9 0.93 75.55 76 10 0.92 74.69 75 14 0.9 72.62 73 19 0.92
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