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nameless23 nameless23
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Posts: 815
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6 years ago
A company has developed a new engine whose average lifetime is unknown. In order to estimate this average, 100 engines are randomly selected from a large production line and tested; their average lifetime is found to be 11 years. The 11 years represents a:
 a. parameter. c. sample.
  b. statistic. d. population.
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