Paul Andersen shows you how to calculate the standard error of a data set. He starts by explaining the purpose of standard error in representing the precision of the data. The standard error is based on the standard deviation and the...

Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.

When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding,...

On Olympus, you've been waiting for an opportunity to bring the bloody Trojan War to its conclusion. The two sides have agreed to a brief truce, and when you consult the Fates, they advise: should the peace last for 10 days, all will end...

Origami is helping to ease our journeys back from space, and astronomers are learning more about coronal mass ejections from a distant star!

This tutorial shows you how to use a solderless breadboard to build an electronic circuit, including the basics of how a breadboard works and some common mistakes that beginners make.

With 2.7 million inhabitants, Rome is Italy's most populated city. It is also the nation's capital, and all international embassies are located here. Rome also contains Vatican City, the headquarters of the Roman Catholic Church. Home to...

In this video, learn how to convert numbers between decimal and binary, a vital skill for networking professionals.

In this video, let's learn to calculate the F ratio for the two-way ANOVA, interpret the results, and draw conclusions.

In this lecture, you will learn how to approach this problem of dealing with missing data and look at some practical examples.

In this video, you will learn about grids in Bootstrap and how to create a group of columns.

Explore how to view and understand the properties of files and directories in Linux, including permissions and ownership.

In this video, you will learn how to create a category.

In this video, you will learn how to create a database.

In this video, you will learn how to add a status filter to the order list.

In this video, we will cover data annotations.

Learn how mercury barometers measure atmospheric pressure and how U-tube manometers are used to calculate gauge pressure in gases using the ρgh equation.

This video provides a clear and detailed explanation of how to create a pie chart using basic statistical concepts. The example used is of a head coach at a school planning jacket sizes for the girls' basketball teams. The coach...

This video provides a comprehensive tutorial on utilizing pivot tables in Excel to summarize and manipulate data efficiently without altering the original worksheet. The instructor demonstrates how to set up a pivot table by selecting...

A video entitled "Two Way Tables" that covers the organization of two-way tables and the process of using relative frequencies to find percentages.

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Howcast - Learn basic navigation of cells, rows and columns in this Howcast Excel tutorial with expert Shir Moscovitz.

Howcast - Learn how to "set it and forget it" in this Howcast Excel tutorial with expert Shir Moscovitz.

Howcast - Learn how to create false seams in circular knitting from expert Jessica Kaufman in this Howcast video.