here

Sample survey

Collecting data for asample

Census

Collecting data for the entire population.

sample

a subset of thepopulation which is used to gain insight about the population. Samples are used to represent a larger group, the population

continuous

any values

the average price of a house in the new subdivision is $339,000.

descriptive statistic

quantitative

discrete or continuous

inferential statistics

drawing conclusions about a population based on data observed in a sample utilizes sample data to make estimates, decisions, predictions, orother generalization about a larger set of data

inferential

estimate

A statistic is a

fact or characteristic about a sample

Population parameters

facts about the population. Since parameters are descriptions of the population, a population can have many parameters

discrete

particular values

descriptive

percent

The high school GPAs of all the parents of your classmates.

population

descriptive statistics

presenting, organizing and summarizing data

birth years

quantitative, discrete interval

A survey of 3844 people in the U.S. revealed that 73% of those surveyed are self-conscious about their weight.

sample statistic

Statistics

the art and science of collecting, analyzing, presenting,and interpreting data.

population

the set of allsubjects or elements about whichwe are interested in makinginferences.