Sample to Population

A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?

• The girls in the school.

• 1 classroom for each grade

• All the students in the school.

• The students making a B in math.

When a sample does not accurately represent the population it is a:

• Unbiased sample

• Biased sample

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

True or False: all samples lead to a good prediction about an entire population.

• True

• False

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

• Population

• Sample

Population or Sample?

Every fifth customer exiting a restaurant is surveyed on how well they liked the food.

• Population

• Sample

A researcher selects a ________ and uses inferential statistics to draw conclusions about the larger ________.

• sample; statistic

• parameter; population

• population; sample

• sample; population

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

Parameter or Statistic?

A local journal conducted a survey. Of the 1800 subscribers, 1354 responded. Based on the survey, the journal concludes that 75% of subscribers will renew their subscriptions next year.

• Parameter

• Statistic