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

Lesson 2.32.3 Small Group · Group 1

Group 1 · Set BSecond form · new problems, same idea

Mastery check☐ Exceeds☐ Meets target☐ Needs practice

Name Date Period

Learning target With my small group, I can find the median of a data set and use it to describe what is typical — one step at a time, with support.

Remember2.3 Small Group · Group 1

The median is the middle value in ordered data. With an even count, it is the mean of the two middle values. The median is the middle value of a data set once the values are in order.

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

1Complete each step, then write the final answer.

Find the median of this data set: 8, 1, 5, 3, 6.
Show your work
Hint Put the values in order first: 1, 3, 5, 6, 8.
Final answer:
2Complete each step, then write the final answer.

Find the median of this data set: 11, 5, 8, 14, 6.
Show your work
Hint Order the values, then find the middle one.
Final answer:
3Complete each step, then write the final answer.

A store sold 20, 35, 25 and 30 sandwiches on four days. What is the median number of sandwiches?
Show your work
Hint There are 4 values, so there are two middle values.
Final answer:
4Complete each step, then write the final answer.

Find the median of 4, 9, 1, 7, 9, 3. Then add the value 100. What is the new median?
Show your work
Hint With 7 values, the median is the 4th value in order.
Final answer:

Explain your thinkingWhy must you put the values in order before you find the median? Use Mia's mistake to explain.

Sentence starter First I put the values in order because ___. · The median is ___ because it is ___.

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