Q 1: Write down the cumulative frequency up to the fourth class interval. 140 170 90 180

Q 2: Write the lower limit of the first class interval. 60 35 15 10

Q 3: Determine the class limits of the fourth class interval. 15  20 40  45 30  35 45  50

Q 4: Write the lower limit of the seventh class interval. 35 45 25 14

Q 5: The cumulative frequency and the frequency for the first class is the same true false

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