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4,031,426 results
One of the most basic concepts in statistics is hypothesis testing and something called The Null Hypothesis. This video breaks ...
519,175 views
3 years ago
There are four steps in data-driven decision-making. First, you must formulate a hypothesis. Second, once you have formulated a ...
494,557 views
6 years ago
Explaining the difference between the null and alternative hypothesis in statistics.
85,174 views
5 years ago
Today we're going to begin our three-part unit on p-values. In this episode we'll talk about Null Hypothesis Significance Testing ...
336,487 views
In Statistics, when we do Hypothesis Testing, we are supposed to have two hypotheses: A primary, or Null Hypothesis and an ...
145,068 views
Learn how to compare a P-value to a significance level to make a conclusion in a significance test. View more lessons or practice ...
798,808 views
This video explains the basics of hypothesis testing. Hypothesis Testing for mean: p-value appraoch ...
686,596 views
8 years ago
Idea behind hypothesis testing. Null and alternative hypotheses.
75,838 views
4 years ago
In this lesson, we will learn about the errors that can be made in hypothesis testing. Type I error is when you reject a true null ...
454,444 views
An example of calculating power and the probability of a Type II error (beta), in the context of a Z test for one mean. Much of the ...
637,410 views
11 years ago
In general, statistical studies test a statement or claim known as a hypothesis. Let's assume that a pharmaceutical company ...
15,540 views
Examples of how to write null and alternative hypotheses. View more lessons or practice this subject at ...
157,738 views
Statistical Power is one of those things that sounds so fancy and, well, "Powerful", but it's actually a really simple concept and this ...
283,420 views
What is hypyothesis testing. What is the null hypyothesis and alternate hypyothesis? In this video we will answer these questions ...
120,569 views
2 years ago
THE CHALLENGE: "teach me statistics in half an hour with no mathematical formula" The RESULT: an intuitive overview of ...
2,688,040 views
A discussion of Type I errors, Type II errors, their probabilities of occurring (alpha and beta), and the power of a hypothesis test.
396,484 views
Introduction to Type I and Type II errors in significance testing. Significance levels as the probability of making a Type I error.
328,229 views
In this hypothesis testing video we discuss how to find rejection regions and critical values using a z test, when the standard ...
89,104 views
SKIP AHEAD: 0:39 – Null Hypothesis Definition 1:42 – Alternative Hypothesis Definition 3:12 – Type 1 Error (Type I Error) 4:16 ...
1,318,049 views
If you're new to data-driven decision-making, you wonder how the information you collect translates into business strategy.
1,875 views
5 months ago