- A10.5-20.5
- B11.5-20.5
- C10-21
- D11-21
Step-by-Step Solution
Adjustment factor = (11 - 10)/2 = 0.5. Lower 11 - 0.5 = 10.5, upper 20 + 0.5 = 20.5.
Answer: A) 10.5-20.5
For the inclusive class 11-20, after conversion to continuous form the limits become:
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