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1. List five reasons for organizing data into a frequency about one-half of what they read, S - trust in a small portion of what they read. (Based on information fror the UCLA Internet Report) 2. Name the three types of frequency distributions, and explain when each should be used. Categorical, ungrouped Find the class boundaries, midpoints, and widths for a. 12-18 SMMMMAMMAM M M H M MMHM HM A M M MHM MM M M b. 56-74 8. State Gasoline Tax The state gas tax in cents pe gallon for 25 states is given below. Construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes. d. 13.6-14.7 e. 2.15-3.93 Why should the class width be an odd number? incorrectly constructed. State the reason why. 4. How many classes should frequency distributions have? 22 20.7 17 28 20 S. Shown here are four frequency distributions. Each is 18.5 25.3 24 31 14.5 25.9 18 30 Soarce: The World Almanac and Book of Facs Frequency 9. Weights of the NBA's Top 50 Players Listed are 33-38 weights of the NBA's top 50 players Construct a grouped frequency distribution and a cumulative frequency distribution with 8 classes. Analyze the results in terms of peaks, extreme values, etc. 2 Class width is not uniform 240 210 220 260 250 195 230 270 325 225 165 295 205 230 250 210 220 210 230 202 250 265 230 210 240 245 225 180 175 215 215 235 245 250 215 210 195 240 240 225 260 210 190 260 230 190 210 230 185 260 6 Class limits overlap and class 3 width is not uniform. C. 10. Stories in the World's Tallest Buildings The 123-127 128-132 138-142 143-147 number of stories in each of the world's 30 tallest buildings is listed below. Construct a grouped frequency distribution and a cumulative frequency distribution with 7 classes. 19 A class has been ominted. 88 88 110 88 80 69 102 78 70 55 79 85 80 100 60 90 77 55 75 55 54 60 75 64 105 56 71 70 65 72 Source. New York Times Almanac 9 Class width is not uniform IL GRE Scores at Top-Ranked Engineering Schools The average quantitative GRE scores for the top 30 graduate schools of engineering are listed. Construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes. 6. What are open-ended frequency distributions? Why are 7. Trust in Internet Information A survey was taken on uency read, M- trust in most of what they read, H-trust in how much trust people place in the information they 767 770 761 760 771 768 776 771 756 770 763 760 747 766 754 771 771 778 766 762 780 750 746 764 769 759 757 753 758 746 Source: U'SNews&World Report Bess Gradwate Schoos distribution for the data. A trust in everything they

Answer 1

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