Choose the best definitions of parameter and statistic. O A statistic is a variable that describes a sample and a parameter is a variable that describes a population. A statistic is a number that...

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Extracted text: Choose the best definitions of parameter and statistic. O A statistic is a variable that describes a sample and a parameter is a variable that describes a population. A statistic is a number that describes a sample and a parameter is a number that describes a population. A statistic is a number that describes a population and a parameter is a number that describes a sample. A parameter is an unknown characteristic of a group and a statistic is a known characteristic of a group. A parameter is a number that describes a population. A statistic is a number that is used to estimate a parameter.