Khan Academy
Khan Academy: Theoretical and Experimental Probabilities
Looks at a marble experiment to see how the anticipated probability compares to the actual outcome. [7:02]
Curated Video
Math Tutor Dvd: Intro to Hypothesis Testing in Statistics
The student will learn the big picture of what a hypothesis test is in statistics in this video. Items discussed are terms such as the null hypothesis, the alternate hypothesis, statistical significance of a hypothesis test, and more....
Crash Course
Crash Course Statistics #27: T Tests
T test, or comparing the mean of two different groups, is applied to everyday settings.
Crash Course
Crash Course Statistics #34: Anova: Dealing With Intersectional Groups
The ANOVA DAY,ANOVA Model and how to deal with intersectional groups. Discussed are the following: Factorial ANOVA, F Test, Sums of Squares Between Groups, ETA Squared, Interaction Plot, Main Effects.
Crash Course
Crash Course Statistics #30: P Hacking
Moderator discusses P-Hacking or data gone wrong, using the framework of Null Hypothesis Significance Testing. Family Wise Error Rate and Bonferroni Corrections are also explained.
Crash Course
Crash Course Statistics #26: Test Statistics
Do you know how close your predictions were to the actual value? This video will review over examples of both t-tests and z-tests to explain how critical values and p values are different ways of telling the same statistical information....
Crash Course
Crash Course Statistics #24: Bayes
This video discusses Bayes Theorem and Bayesian hypothesis testing.Learn how this theorem can be a very powerful tool because it allows us to incorporate both scientifically rigorous data AND our previous biases into our evolving...
Crash Course
Crash Course Statistics #22: P Values Problems
A video over viewing how p-values can be misinterpreted and how the logic of p-values can be misunderstood. [12:14]
Khan Academy
Khan Academy: Statistical and Non Statistical Questions
A statistical question is one that can be answered by collecting data and where there will be variability in that data.
Khan Academy
Khan Academy: Chi Square Statistic for Hypothesis Testing
Chi-square statistic for hypothesis testing (chi-square goodness-of-fit test).
Sophia Learning
Sophia: Within Group Design Challenges
In this lesson, students will learn about advantages and disadvantages to within group experimental designs.
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...