Grade 7 Math: Five Number Summary
A worksheet for 7th graders to practice finding the five-number summary (minimum, Q1, median, Q3, maximum) of data sets and understanding box plots.
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Five Number Summary Worksheet
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Date:
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Read each question carefully and provide the best answer. Show all your work for calculations.
1. The five numbers that summarize a data set are the minimum, first quartile (Q1), , third quartile (Q3), and .
2. The is the middle value of a data set when it is ordered from least to greatest.
3. The first quartile (Q1) is the of the lower half of the data.
4. The third quartile (Q3) is the of the upper half of the data.
5. Find the five-number summary for the following data set:
Data Set: 12, 15, 18, 20, 22, 25, 28, 30
Minimum:
Q1:
Median:
Q3:
Maximum:
6. A basketball team scored the following points in their last 9 games: 58, 62, 65, 68, 70, 72, 75, 78, 80.
Determine the five-number summary for their scores.
Minimum:
Q1:
Median:
Q3:
Maximum:
7. For the data set {5, 7, 8, 10, 12, 15, 18}, what is the median?
7
10
12
15
8. The interquartile range (IQR) is found by subtracting the minimum value from the maximum value.
True
False
9. Draw a number line from 0 to 10 and mark the five-number summary for the data set: 1, 3, 5, 7, 9.