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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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