Grade 6 Mathematics · Unit 2: Understanding the World Around Us Through StatisticsStandard 6.DS.5

Lesson 2.42.4 Small Group · Group 2

Group 2 · Set BSecond challenge form · new problems, same idea

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Learning target I can make and read a box plot to summarize a data set, explain what each part stands for, and build one for a situation I have not seen before.

Remember2.4 Small Group · Group 2

The median and quartiles split ordered data into four parts with the same number of values, so the box always holds the middle half. Quartiles split the data into four equal parts. The box holds the middle half of the data.

Words: Box Plot (Diagrama de caja)Median (Mediana)Quartile (Cuartil)Interquartile Range (Rango intercuartílico)Data distribution (Distribución de datos)

  1. 1Complete each step, then write the final answer.

    Here are 9 values in order: 2, 4, 4, 6, 9, 10, 12, 15, 20. What is Q3, the third quartile?

    Show your work
    Final answer:
  2. 2Complete each step, then write the final answer.

    Here are 8 values in order: 6, 8, 9, 11, 14, 16, 17, 22. What is Q1?

    Show your work
    Final answer:
  3. 3Complete each step, then write the final answer.

    A box plot of 60 plant heights shows least 5 cm, Q1 12 cm, median 18 cm, Q3 26 cm and greatest 40 cm. About how many plants are taller than 26 cm?

    Show your work
    Final answer:
  4. 4Complete each step, then write the final answer.

    Here are 10 values in order: 3, 5, 6, 8, 10, 13, 15, 16, 19, 24. A new value, 30, is added. What is the new Q3?

    Show your work
    Final answer:

Explain your thinkingIn the jump box plot, the right whisker is longer than the box. Which part holds more students? Defend your answer.

How did it go? ☐ 4 · I can teach it☐ 3 · I've got it☐ 2 · I need a hint☐ 1 · I need help