Grade 6 Mathematics · Unit 2: Understanding the World Around Us Through StatisticsStandard 6.DS.4

Lesson 2.32.3 Small Group · Group 2

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

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Learning target I can find the median of a data set and use it to describe what is typical, explain how I can tell, and judge a case I have not seen before.

Remember2.3 Small Group · Group 2

The median depends on position, not size, so it describes typical data even when one value is extreme. The median describes a typical value, and one extreme value cannot pull it far.

Words: Median (Mediana)Mode (Moda)Outlier (Valor atípico)Data distribution (Distribución de datos)Variability (Variabilidad)

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

    Five players scored 4, 9, 6, 12 and 5 points. A sixth player scores 30. What is the new median?

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

    Find the median of 7, 3.5, 9, 2, 6.5, 10.

    Show your work
    Final answer:
  3. 3Circle the letter of the best answer. Show how you know.

    Ages at a party are 11, 12, 12, 13, 14 and 45. Which value best describes a typical age?

    1. A12.5 — the median
    2. B17.8 — the mean
    3. C45 — the oldest
    4. D11 — the youngest
    Show your work
  4. 4Complete each step, then write the final answer.

    Seven values have a median of 20. In order, the 3rd value is 18. You add two new values, 1 and 2. What is the new median?

    Show your work
    Final answer:

Explain your thinkingA coach says one player's 40 points makes the team look great. Should the coach report the median or the mean? Defend your choice.

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