2017AP Statistics Summer Packet.pdf

1 time it takes to get to school 2 number of shoes

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_______ 1. Time it takes to get to school _______ 2. Number of shoes owned _______ 3. Hair color _______ 4. Temperature of a cup of coffee _______ 5. Teacher salaries _______ 6. Gender (1 = female; 2 = male) _______ 7. Facebook user _______ 8. Height _______ 9. Amount of oil spilled _______ 10. Age of Oscar winners _______ 11. Type of pain medication _______ 12. Jellybean flavors _______ 13. Country of origin _______ 14. Student ID Part 3: Categorical Graphs Graphing Data: Shows us the distribution of the variable what values the variable takes and how often it takes these values. Graphs give us information to help us to understand the data. For all graphs, it is important to label axes for clarity. Categorical Data Graphs: 1. Bar Graph a) Bars are separated b) Each bar is labeled with a category c) Vertical axis shows frequency (count) or percentage d) Allows quick comparisons of the frequencies of each category. 2. Pie Chart a) Show what part of the whole each category represents b) Must include all of the categories that make up the whole c) May include a category labeled “Other”
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7 Categorical Graphing Examples For each problem below decide if you can display the data as a bar graph, a pie chart, or both. Then create one appropriate graph for the data. Make sure to include a title and all necessary labels. 1. Eye color of Langley AP Statistics students: Brown = 64, Blue = 23, Green = 36, Other = 5 Bar Graph Only Pie Chart Only Both Plots Could Represent Data 2. Average height of various animals, in cm: Walaroo = 105, Eagle = 88, Tapir = 97, Zebra = 146. Bar Graph Only Pie Chart Only Both Plots Could Represent Data Note: A pie chart is not appropriate for this data because each value represents an average , not a count or percentage.
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8 3. Percentage of Langley students with a driver’s license, by class: Senior = 77%, Junior = 28%, Sophomore = 6%, Freshman = 2% Bar Graph Only Pie Chart Only Both Plots Could Represent Data Now, complete Worksheet B (Graphing Categorical Data); page 30 Note: A pie chart is not appropriate for this data because each percentage is not a percent of all of Langley students (percents do not sum to 100).
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