Understanding Quartiles

This worksheet helps grade 6 students understand and calculate quartiles in a data set.

Grade 6 Math Probability and StatisticsQuartiles

Use This Worksheet

Includes

3 Short AnswerFill in the BlanksMultiple Choice

Standards

CCSS.MATH.CONTENT.6.SP.B.4CCSS.MATH.CONTENT.6.SP.B.5

Topics

mathquartilesstatisticsgrade 6

7 sections · Free to use · Printable

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Read each question carefully and provide your answer in the space provided. Show your work when calculating quartiles.

1. What is a quartile, and how many quartiles divide a data set?

2. The is the median of the lower half of the data.

3. The is the median of the upper half of the data.

4. The median of the entire data set is also known as the .

5. Find the median (Q2), lower quartile (Q1), and upper quartile (Q3) for the following data set: 12, 15, 18, 20, 22, 25, 28, 30, 32

Q1:

Q2:

Q3:

6. Calculate the median (Q2), lower quartile (Q1), and upper quartile (Q3) for the following data set: 5, 8, 10, 11, 13, 16, 19, 20

Q1:

Q2:

Q3:

7. If the lower quartile (Q1) of a data set is 50, what does this mean?

50% of the data is above 50.

75% of the data is above 50.

25% of the data is below 50.

25% of the data is above 50.