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Each year the EPA does an analysis on the current models of vehicles sold in the United States. The data provided in this EPA Estimated
Each year the EPA does an analysis on the current models of vehicles sold in the United States. The data provided in this EPA Estimated Fuel Efficiency for 2021 Vehicles example is a subset of this analysis, if you are curious you may 8 access the full data set from the EPA website http://www.fueleconomy.gov/feg/download.shtml Frequency The following graphical display and numerical summary show the variable estimated fuel efficiency of 573 new vehicles. O Mean Std. Min. 1"t Q) Median 3d Q) Max. 10 20 30 50 60 Dev. Miles per Gallon 23.7 6.3 13 19 23 26 56 a. (1 points) What type of variable is fuel efficiency? Quantitative or Categorical? b. (6 points) Using the graphical display and numerical summary, thoroughly describe the distribution of fuel efficiency. Include context, shape, center and spread of the data and whether there are any outliers. c. (1 points) What is the value of the interquartile range (IQR)?d. (3 points) Below is a boxplot of the data. Match the letter shown on the plot with the correct feature: EPA Estimated Fuel Efficiency for 2021 Vehicles Match Feature Median E C D Minimum (non-outlier) O O Third Quartile F B A First Quartile Maximum (non- 20 30 40 50 outlier) Miles per Gallon Outliers e. (1 point) The graphical displays show the EPA estimated fuel efficiency for all vehicle types. What are some possible ways to split the car data to better understand the fuel efficiency for vehicles
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