Question: For the study described below, identify the sample statistic. A manufacturer of light bulbs wants to determine the average lifetime of its 75-watt light bulbs.

For the study described below, identify thesample statistic.

A manufacturer of light bulbs wants to determine the average lifetime of its 75-watt light bulbs. Among 120 randomly selected 75-watt light bulbs, the average lifetime was 1007 hours.

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