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Grade 6 Math · Statistics

Histograms Check

Try these five questions on your own. After you check your work, read the explanation for each one.

1A histogram has frequencies 3 for 0–9, 5 for 10–19, and 2 for 20–29. Which interval contains 14?
2A histogram bar for 15–19 has height 7. What does the 7 represent?
3Three histogram intervals have frequencies 4, 6, and 3. How many data values are shown altogether?
4A histogram has bar heights 2, 8, 5, and 3. Which interval is the modal interval?
5A histogram groups quiz scores into intervals. What does the horizontal axis usually show?

This practice check is for review. Use the lesson and worked examples if you want to revisit a skill.