Problem-Solving and Data AnalysisEasyCounting values in a dot plot
Problem-Solving and Data Analysis practice question
A dot plot shows three dots above 2, one dot above 3, and two dots above 4. How many data values does the plot represent?
Answer: 6
Each dot is one value: 3 + 1 + 2 = 6.
Common wrong answers
- If you answered 3
- 3 counts the distinct values.
- If you answered 9
- 9 adds the numbers on the axis.
- If you answered 17
- 17 sums the values themselves: 2 × 3 + 3 + 4 × 2.
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