Question

Life time (in hours) 0-20
Components(frequency) 10
20-40
35
40-60
52
60-80
61
Find the modal lifetime of the components.
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Answer 1

Answer:

Determine the modal lifetimes of the components. Here, the maximum class frequency is 61 and the class corresponding to frequency is 60-80. So the modal class is 60-80. Hence, the modal life-times of the components are 65.625 hrs.

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