is this question right ?
if yes then how to find value "a" ?
data x | 42 | 46 | 49 | 51 | 55 | a | 56 |
frequency f
|
1 | 4 | 4 | 1 | 4 | 1 | 4 |
Cumulative
frequency cf
|
1 | 5 | 9 | 10 | 14 | 15 | 19 |
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