stat 1200 3 web work 9

statistic

a single measure of some attribute of a sample (e.g. its arithmetic mean value)

An estimator is

a statistic that is used to ''guess'' the value of a parameter.

Population

he total set of observations that can be made

perimeter

numbers that summarize data for an entire population

A phone-in poll conducted by a newspaper reported that 63% of those who called in liked ''reality TV.'' (a) The unknown true percentage of American citizens who like ''reality TV'' is a

perimeter

A phone-in poll conducted by a newspaper reported that 63% of those who called in liked ''reality TV.''(b) The number 63% is a

statistic

The sampling distribution of a statistic is

the population consisting of all the values of the statistic that could be observed based on all possible samples of the correct size.

The population is

the set of all items of interest

Sample

In statistics, a sample refers to a set of observations drawn from a population.