Choose the best definitions of parameter and statistic. A statistic is a number
ID: 3271580 • Letter: C
Question
Choose the best definitions of parameter and statistic. A statistic is a number that describes a sample and a parameter is a number that describes a population. A statistic is a variable that describes a sample and a parameter is a variable 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 parameter is a number that describes a population. A statistic is a number that is used to estimate a parameter.Explanation / Answer
A test statistic is used to summarize a sample from the population while for the same parameter is used to summarize that same thing for the population.
Therefore a) is the correct answer here.
An example of this could be: a sample mean is the statistic that is computed for sample and the population mean is the parameter which is computed for the population.