Discussion
Statistic is a numerical quantity which is calculated from :
Answer: B
A statistic is calculated from a sample.
In statistics, a parameter is a numerical characteristic of the whole population, such as the population mean, while a statistic is the corresponding measure computed from a sample, such as the sample mean. Statistics are used to estimate parameters and to test hypotheses about them.
Population and universe mean the same thing, and measures computed from them are parameters, not statistics. A hypothesis is a statement to be tested, not data from which a quantity is calculated.
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