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The table below shows the length of 100 rods (in inches) produced in a factory Length (inches) Number of rods (f) Cumulative Frequency 1 -

The table below shows the length of 100 rods (in inches) produced in a factory

Length

(inches)

Number of rods

(f)

Cumulative Frequency

1 - 2

3 - 4

5 - 6

7 - 8

9 - 10

11 - 12

13 - 14

1

8

26

38

19

7

1

1

9

35

73

92

99

100

i. Construct cumulative frequency table (4marks) ii. Determine N/2 (4marks) iii. Determine lower class boundary for median class (4marks) iv. Determine class interval from above table (4marks) v. Calculate the median (4marks)

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