Population and Sample

Front

_______ is a part of a group being surveyed.

Back

Sample

Front

Mrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

Back

No

Front

The entire group studied.

Back

Population

Front

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

Back

the shoppers who were asked their preferences

Front

Identify the Sample: A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

Back

20 customers

Front

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

Back

all shoppers in the mall

Front

_______ is the entire group of objects or individuals considered for a survey.

Back

Population

Front

Identify the Population: Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

Back

All teachers

Front

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?

Back

People who visit the bookstore.

Front

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?

Back

The sample didn't include students.