Choose the best definitions of parameter and statistic. A statistic is a variable that describes a sample and a parameter is a v
ariable that describes a population. A parameter is an unknown characteristic of a group and a statistic is a known characteristic of a group. A statistic is a number that describes a population and a parameter is a number that describes a sample. A statistic is a number that describes a sample and a parameter is a number that describes a population. A parameter is a number that describes a population. A statistic is a number that is used to estimate a parameter.
A statistic is a number that describes a sample and a parameter is a number that describes a population.
Step-by-step explanation:
The definition of "statistic" is:
A piece of data from a portion of a population.
The definition of "parameter" is:
A value that tells you something about a population.
Using these definitions, the correct answer to the question is that a statistic is a number that describes a sample and a parameter is a number that describes a population.