Class limits Class Frequency Class Mark Cumulative Frequency (less than) Cumulative frequency (greater than) Boundaries 23-30 26 34.5 30.5-38.5 38.5-46.5 46.5-54.5 55-62 62.5-70.5 70.5-78.5 78.5-86.5 86.5-94.5 94.5-102.5 39-46 47-54 55-62 63-70 71-78 79-86 87-94 95-102 90.5 98.5
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For class limits 23-30, the boundaries would be 22.5-30.5. Show more…
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