Allan has a large jar of 10,000 pennies on his desk. Consider all the pennies in...
- Allan has a large jar of 10,000 pennies on his desk. Consider all the pennies in this jar to be a population. The mean age of this population of pennies is 25 years, and the oldest penny is from the year 1935. Allan takes a sample of 80 pennies from the jar and finds the mean age of the sample to be 12.5 years.
Which number is the statistic in this example? How do you know?
Homework Answers
A statistic is a single quantity contained in or computed from a set of data. A parameter represents a population but a statistic represents a sample.
It's given that 12.5 is the mean age of 80 pennies taken as a sample.
Thus, the statistic is 12.5 years
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