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2. 10-30, 30-50, etc. the size of the class interval is 20. the upper limit of the fourth class is |
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Answer» Answer: Step-by-step explanation: 10-30, 30-50, etc here CLASS interval =20 So CLASSES can be written as: 1. 10-30 2. 30-50 3. 50-70 4. 70-90 5.90-110 Thus the upper LIMIT of 4th class =90 |
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