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The following data is gives the information on the observed lifetimes (in hours) of 225 electrical components: Lifetimes (in hours) 0−20 20−40 40−60 60−80 80−100 100−120 No. of components 10 35 52 61 38 29 Determine the modal lifetimes of the components.

Answer» The following data is gives the information on the observed lifetimes (in hours) of 225 electrical components:





















Lifetimes (in hours) 0−20 20−40 40−60 60−80 80−100 100−120
No. of components 10 35 52 61 38 29



Determine the modal lifetimes of the components.


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