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Statistics

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Jan 9, 2024

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Singles Couples Amount ($) Frequency Relative Frequency Amount ($) Frequency Relative Frequency 51-100 5 5/60=0.08 100-150 5 5/65=0.08 101-150 10 10/60=0.17 201-250 5 0.08 151-200 15 15/60=0.25 251-300 5 0.08 201-250 15 0.25 301-350 5 0.08 251-300 10 0.17 351-400 10 10/60=0.15 301-350 5 0.08 401-450 10 0.15 Total 60 451-500 10 0.15 501-550 10 0.15 551-600 5 0.08 Total 65 1. b. Construct a histogram for the singles group. Scale the x-axis by $50 widths. Use relative frequency on the y-axis. 51-100 101-150 151-200 201-250 251-300 301-350 0 0.05 0.1 0.15 0.2 0.25 0.3 Histogram of Singles group Amount ($) Relatve Frequency c. Construct a histogram for the couples group. Scale the x-axis by $50 widths. Use relative frequency on the y-axis.

100-150 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 Histogram for Couples Group Amount ($) Relatve Frequency 1. The table below is a summary of a neighborhood survey. Use the information in the table to summarize the results of the survey. Which of the neighborhoods would you consider the lowest income neighborhood? Explain your answer. CROWN HEIGHTS, EAST NEW YORK PROSPECT HEIGHTS / FLATBUSH BED-STUY / BUSHWICK INCOME Count % Count % Count % LESS THAN $15,000 45 19.7% 5 7.8% 11 8.3% $15,000 - $24,999 69 30.1% 25 39.1% 38 28.6% $25,000 - $34,999 64 27.9% 18 28.1% 40 30.1% $35,000 - $44,999 27 11.8% 6 9.4% 21 15.8% $45,000 OR MORE 24 10.5% 10 15.6% 23 17.3% Based on the data I believe that Crown Heights, East New York is the lowest income neighborhood because it has the highest amount of people earning less than $15000. They also have the highest number of people earning between $15000 - $24999. 2. The table below contains the 2010 obesity rates in U.S. states. Using MS-Excel, calculate the average rate of states by Group and present your summary in a chart. Copy and paste the chart into MS-Word. Which group of states has the highest obesity rate? Group A Group B Group C

State Percent (% ) State Percent (% ) State Percent (% ) Alabama 32.2 Kentucky 31.3 North Dakota 27.2 Alaska 24.5 Louisiana 31 Ohio 29.2 Arizona 24.3 Maine 26.8 Oklahoma 30.4 Arkansas 30.1 Maryland 27.1 Oregon 26.8 California 24 Massachusetts 23 Pennsylvania 28.6 Colorado 21 Michigan 30.9 Rhode Island 25.5 Connecticut 22.5 Minnesota 24.8 South Carolina 31.5 Delaware 28 Mississippi 34 South Dakota 27.3 Washington, D C 22.2 Missouri 30.5 Tennessee 30.8 Florida 26.6 Montana 23 Texas 31 Georgia 29.6 Nebraska 26.9 Utah 22.5 Hawaii 22.7 Nevada 22.4 Vermont 23.2 Idaho 26.5 New Hampshire 25 Virginia 26 Illinois 28.2 New Jersey 23.8 Washington 25.5 Indiana 29.6 New Mexico 25.1 West Virginia 32.5 Iowa 28.4 New York 23.9 Wisconsin 26.3 Averages 26.275 26.84375 27.76875 Group A Group B Group C 25.5 26 26.5 27 27.5 28 26.28 26.84 27.77 Averages for Groups A, B, and C Groups Average Obesity Rate (%) Based on the data and averages, group C has the highest obesity rate.

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1. Sort the data by type of Bus Manufacturer and calculate the Average Cost of Maintenance for each Manufacturer Sorted By Manufacturer Manufacture r Average Maintenance Cost Bluebird 447.2340 Keiser 456.12 Thompson 450 Bluebird Keiser Thompson 442.0000 444.0000 446.0000 448.0000 450.0000 452.0000 454.0000 456.0000 458.0000 Average Cost of Maintenance Based on Manufacturer Manufacturer Average Maintenance Cost 2. Sort the data by Fuel Type and calculate the cost of Maintenance and the Average Mileage by each fuel type fuel Sorted by Fuel Type Fuel Type Average Maintenance Cost Average Mileage Diesel 454.7735849 829.3584906 Gasoline 441.4814815 831.5925926

Diesel Gasoline 430 435 440 445 450 455 460 Average Cost of Maintence Based on Fuel Type Fuel type Average Maintenance Cost($) Diesel Gasoline 828 828.5 829 829.5 830 830.5 831 831.5 832 Average Mileage Based on Fuel Type Fuel Type Average Mileage

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