Sample vs Populations

A characteristic in a population is called a ________, whereas a characteristic in a sample is called a ________.

• population parameter; sample statistic

• sample statistic; population parameter

• sample parameter; population statistic

• population statistic; sample parameter

Identify the population and parameter:

To determine the food preferences of their customers, the owners of a restaurant randomly choose 20 customers on Friday to participate in a survey.

• population: the 20 randomly chosen customers surveyed

  parameter: food preferences for the 20 randomly chosen customers

• population: all customers of the restaurant

  parameter: food preferences for all of the restaurant's customers

• population: all people in the nation

  parameter: food preferences for the 20 randomly chosen customers

• none of these

The entire set of items (who or what) from which data can be selected

• survey

• parameter

• population

• sample

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors

• all shoppers in the mall

• the shoppers who were asked their preferences

A survey of 500 spectators from a stadium with 42,000 spectators.

• Population

• Sample

The cholesterol levels of 20 patients in a hospital with 100 patients.

• Population

• Sample

Your school has 450 students. You ask 45 of them to participate in a survey. Which group is the sample?

• 450 students

• 45 students

Your school has 450 students. You ask 45 of them to participate in a survey. Which group is the population?

• 450 students

• 45 students

There are 225 7th graders at L&C. You survey 28 of them to find out their favorite food. Which group is the population?

• 225

• 28

There are 225 7th graders at L&C. You survey 64 of them to find out their favorite food. Which group is the sample?

• 225

• 28