Lesson 7 - Collecting Data with a Sample

To encourage your child to have fun on the Web while learning about Collecting Data with a Sample , here are some games and interactive activities they can do on their own or in pairs.

Goal

Choose a population and a sample.

Builds Upon

Student Book pages 76-77

Instructions for Use

Sample Size Calculator helps your child calculate a sample size by inputting the population size.

To use Sample Size Calculator, click on the 'confidence level'. Input the 'margin of error'. If the population is small, enter the size, otherwise leave it blank. Click the 'calculate' button to determine the sample size.

How do Scientists Estimate the Size of a Population? , lets your child read how scientists estimate the size of animal or plant populations.

To use How do Scientists Estimate the Size of a Population? , read about the techniques used by scientists to determine the population size of plants and animals in a sample area.

This site may be advanced for some children.