This tutorial explains simple random samples. Students can watch a video and then take a quiz to test their understanding.

In this video, Hans Rosling examines available data from data bases that demonstrate global life expectancies, world wealth, GDP and child death, and how we can use this data. He focuses on the need for "publicly funded data" so that...

A line plot shows the frequency of categorical data. Take a look at this tutorial to learn more. [4:44]

Video serves as an introduction to frequency tables which tell you how often something occurs in a set of data. [6:44]

Gain an understanding of circle graphs by watching this tutorial. [3:59]

This tutorial teaches about one of the ways to dissect a set of data called the interquartile range. [4:34]

Watch this tutorial to learn about weighted averages, a special type of average that allows you to give special weights to the different values in your average. [3:06]

Relative frequency is how often something happens divided by all the outcomes. Watch this tutorial to learn all the steps needed to find the relative frequency. [3:25]

Looks at the types of questions that statistics can address and explains how to tell the difference between a statistical and a non-statistical question. [7:50]

Constructing small sample size confidence intervals using t-distributions.

Introduction to descriptive statistics and central tendency. Gives demonstration of how to find arithmetic mean, median and mode of a set of numbers.

Explore how to represent data on a histogram. Check understanding with quiz.

Solve for the mean, median, and mode when given a data set. Assess learning with a quiz.

This video lesson demonstrates how to calculate the mean for a set of data. Students can check their understanding with an assessment.

Use stem-and-leaf plots to determine the mean, median, mode, and least and greatest values. Take quiz to check understanding.

Use collected data to graph scatter plots on a coordinate plane. Take quiz to check understanding.

Create a scatter plot by displaying data on a coordinate plane. Assess understanding with a quiz.

Determine when to use and how to display data using a histogram.

Explore how to organize and display data in a histogram through this tutorial.

The concept of independent variable is described in this video tutorial. The lesson provides detailed examples.

Explore how to interpret data from a histogram.

Use data sets to determine the measures of variation. Check understanding with a quiz.

Place data in numerical order to determine the median. Assessment to follow to determine understanding.

Explore how data is represented on a pie chart and how to interpret the data. Take a quiz to assess learning.