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For the temperature histogram (classes 20-25, 25-30, 30-35, 35-40 with frequencies 3, 7, 8, 2), which class has the lowest frequency?

Class 8Bar Graphs and HistogramsData Handling
  • A35-40
  • B20-25
  • C25-30
  • D30-35

Step-by-Step Solution

The frequencies are 3, 7, 8, 2; the smallest is 2, which belongs to the class 35-40.
Answer: A) 35-40

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