ConceptMode of Grouped Data

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#### Question

The following data 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 |

Frequency |
10 | 35 | 52 | 61 | 38 | 29 |

Determine the modal lifetimes of the components.

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#### Reference Material

Solution for question: The following data gives the information on the observed lifetimes (in hours) of 225 electrical components concept: Mode of Grouped Data. For the course CBSE