The data range from 5 to 64. Using a class width of 6, the number of classes needed is:

  1. 59
  2. 12
  3. 8
  4. 10
Answer

D) 10

The values 5 to 64 cover 64 - 5 + 1 = 60 whole numbers; 606 = 10, rounded up to 10 classes. SLO M-09-C-01 · Knowledge

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