Activity Guide - Exploring One Column - Unit 9 Lesson 2

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3025

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Computer Science

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May 11, 2024

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pdf

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Unit 9 Lesson 2 Activity Guide - Exploring One Column Bar Charts Do This Make a bar chart for each column in the "Dogs" dataset and categorize it as either "useful" or "not useful" by placing that column name in the table below. Useful Not Useful Min lifespan Max life span Min height Max height Min weight Max weight Name Breed Group Bred For Temperament Image Chart Paste one of the charts that you believe is "useful" in the space below. Questions 1. What is one piece of information someone could learn from the chart you pasted? a. No breed of dog in this dataset lives more than 20 years. Computer Science Principles 1
Unit 9 Lesson 2 2. Do you notice any patterns in which charts are or are not useful? a. Numeric data and discrete data work for charts. Histograms Do This: Make a histogram for the "Max Weight" column of the "Dogs" data set and choose the "Bucket Size" that you think is most helpful for interpreting the data. Chart Questions 3. What bucket size did you choose? Why do you think this is the most helpful bucket size for this chart? a. I chose 10 first, but that made too many bars, so it was harder to read. A bucket size of 20 was easier to read but still showed some detail for the larger dogs. 4. What is the most common range of maximum weights for dog breeds? a. 60-80 pounds 5. What is the least common range of maximum weights for dog breeds? a. 160-180 and 200-220 Computer Science Principles 2
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