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Q11.

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Found in: Page 743

### Algebra 1

Book edition Student Edition
Author(s) Carter, Cuevas, Day, Holiday, Luchin
Pages 801 pages
ISBN 9780078884801

# Identify each sample as biased or unbiased. Explain your reasoning.The local library asks everyone who checks out a book if they also used the computers at the library.

The sample is unbiased.

See the step by step solution

## Step 1. State the concept for sample and population.

A sample is a specific group that you will collect data from. The size of the sample is always less than the total size of the population.

A population is an entire group that you want to draw conclusions about.

a population doesn’t always refer to people. It can mean a group containing elements of anything you want to study, such as objects, events, organizations, countries, species, organisms, etc.

## Step 2. State the concept for biased and unbiased samples.

A biased sample means the sample is not representative of the population, which means the method for getting the sample is defective.

An unbiased sample means the sample is representative of the population.

## Step 3. State the answer with an explanation.

Since the library asks everyone who checks out a book if they also used the computers and does not favor one group over the other, the sample is an unbiased sample. The survey will accurate results.