PBS
Career Connections | Bookkeeping and Accounting
Keeping track of the finances is the job of the accountant and the bookkeeper. Find out what skills add up to make it in the world of ledgers and numbers.
Annenberg Foundation
Annenberg Learner: Against All Odds: Multidimensional Data Analysis
A look at why multivariate data is collected and how it can be graphed by a computer program for study analysis. The real-life example shown here involves collecting and analyzing data taken from the Chesapeake Bay in order to examine...
Khan Academy
Khan Academy: Statistics: Sampling Distribution Example Problem
Video example of using a sample distribution to solve a problem determining the probability that a sample mean is below a certain number. Includes example of finding a z-score and looking it up in a table to determine the probability....
Annenberg Foundation
Annenberg Learner: Against All Odds: Normal Distributions
A look at how histograms, and the curves that are drawn based on histogram data, can help one analyze data. Video program offers real-life examples to illustrate this: population age and baseball statistics. [28:40]
Imagine Learning Classroom
Learn Zillion: Slideshow: Approximating a Sampling Distribution From a Simulation
In this lesson, you will learn about sampling distributions and how to approximate them by using a simulation. [8:03]
Virtual Nerd
Virtual Nerd: How Do You Use a Simulation to Solve a Problem?
Simulators are a great way to model an experiment without actually performing the experiment in real life. This tutorial looks at using a simulator to figure out what might happen if you randomly guessed on a true/false quiz. [7:13]
Imagine Learning Classroom
Learn Zillion: Video: 'Model a Data Set With a Normal Probability Distribution'
In this lesson, you will learn how to model a data set with a normal probability distribution by using the mean and standard deviation of the data set. [4:59]
Crash Course
Crash Course Statistics #7: The Shape of Data: Distribution
When collecting data to make observations about the world, it isn't possible to collect ALL THE DATA. So instead of asking every single person about student loan debt, we take a sample of the population and use the shape of our samples...
Khan Academy
Khan Academy: Shapes of Distributions
This video discusses how to interpret a data display by looking at patterns and anomolies in the shape of its distribution. [5:06]
Crash Course
Crash Course Statistics #35: Fitting Models Is Like Tetris
Take a closer look at two common data models: ANCOVA (Analysis of Covariance) and RMA (Repeated Measures ANOVA).
Khan Academy
Khan Academy: Comparing Models to Fit Data Example
Sal determines if a quadratic or exponential model fits the data better, then uses the model to make a prediction.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
Sophia Learning
Sophia: Z Score Charts
This lesson shows how charts can be used to determine and list Z-scores.
PBS
Pbs Learning Media: Crash Course Computer Science: The Central Processing Unit (Cpu)
Today, we're going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU's job is to execute the programs we know and love - you know, like GTA V, Slack... and Power Point. To make our CPU, we'll...
PBS
Pbs Learning Media: Crash Course Computer Science: How Computers Calculate the Alu
Today we're going to talk about a fundamental part of all modern computers. The thing that basically everything else uses - the Arithmetic and Logic Unit (or the ALU). The ALU may not have to most exciting name, but it is the...
PBS
Pbs Learning Media: Crash Course Computer Science: Instructions & Programs
Today, we're going to take our first baby steps from hardware into software! Using that CPU we built last episode, we're going to run some instructions and walk you through how a program operates on the machine level. We'll show you how...
PBS
Pbs Learning Media: Crash Course Computer Science: Hackers & Cyber Attacks
Not all hackers are malicious cybercriminals intent on stealing your data (these people are known as Black Hats). There are also White Hats, who hunt for bugs, close security holes, and perform security evaluations for companies. And...
PBS
Pbs Learning Media: Crash Course Computer Science: Graphical User Interfaces
Today, we're going to discuss the critical role graphical user interfaces, or GUIs played in the adoption of computers. Before the mid 1980's the most common way people could interact with their devices was through command line...
PBS
Pbs Learning Media: Crash Course Computer Science: Natural Language Processing
As computers play an increasing role in our daily lives there has been a growing demand for voice user interfaces, but speech is also terribly complicated. Vocabularies are diverse, sentence structures can often dictate the meaning of...