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Stem and Leaf Plots

Stem and Leaf Plots. Chapter 5 Lesson 4. Stem-and-Leaf Plots. Number of Dogs Walked Each Month 20, 29, 14, 52 34, 45, 30, 48.

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Stem and Leaf Plots

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  1. Stem and Leaf Plots Chapter 5 Lesson 4 Stem-and-Leaf Plots

  2. Number of Dogs Walked Each Month 20, 29, 14, 52 34, 45, 30, 48 Luke and Aimee started a dog-walking business in which they walk dogs for people. The number of dogs they walk varies from month to month. In 8 months, they recorded the number of dogs they walked each month. These are shown above.

  3. These numbers can be organized using a stem-and-leaf plot. Number of Dogs Walked Each Month 20, 29, 14, 52 34, 45, 30, 48 • First, we must put them in numerical order (least to greatest). 14, 20, 29, 30, 34, 45, 48, 52

  4. Stem Leaf The TENS digit in each number The ONES digit in each number 1 4 2 0 9 3 0 4 Notice that the stems AND leaves are arranged in numerical order. 4 5 8 5 2 Key 3|0 = 30

  5. More Stem-and-Leaf Plots Points Scored per Game Ages of Relatives Stem Leaf 1 1 5 2 3 0 4 4 2 2 8 Stem Leaf 0 6 7 1 0 0 2 3 9 3 6 8 9 Note: Numbers less than ten can be displayed. More than one number (10) can be displayed. Some stems may have no leaves. Stem-and-Leaf plots still have titles.

  6. Average Weights of the Top 10 Dog Breeds RankBreed Weight (lb) 1 Labrador Retrievers 67 2 Golden Retrievers 75 3 German Shepherds 81 4 Dachshunds Standard 27 Miniature 20 5 Beagles 20 6 Yorkshire Terriers 7 7 Poodles Standard 75 Toy 10 8 Boxers 71 9 Chihuahuas 7 10 Shih Tzu 17 Stem Leaf 0 7 7 1 0 7 2 0 0 7 3 4 5 6 7 7 1 5 5 8 1

  7. Stem Leaf Which stems have the most leaves? 2 and 7 0 7 7 Which types of dogs seem to be more popular, large or small? 1 0 7 2 0 0 7 large 3 Which stems have no leaves? 4 3, 4 and 5 5 How many breeds are less than 30 pounds? 7 6 7 7 1 5 5 12 How many categories of dogs are shown on the plot? 8 1

  8. The End Man to dog trainer: "Every time a bell rings, my dog goes into the corner." Dog trainer: "That's OK, he is a Boxer."

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