Question: ACTIVITIES ON MEASURES OF CENTRAL LOCATION 1.) Eighty randomly selected lightbulbs were tested to determine their lifetimes ( in hours) . The following frequency distribution

ACTIVITIES ON MEASURES OF CENTRAL LOCATION

1.) Eighty randomly selected lightbulbs were tested to determine their lifetimes ( in hours) . The following frequency distribution was obtained. _________________________________________________________________ Class Boundaries Frequency 52.5-63.5 6 63.5-74.5 12 74.5-85.5 25 85.5-96.5 18 96.5-107.5 14 107.5-118.5 5

Determine the mean lifetimes ( in hours ) of these bulbs. 2.) Find the median using the same data.

3.) Find the Mode.

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