Testing of Hypothesis - Introduction
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Lesson Summary:
This introduction to testing of hypothesis focuses on the basic concepts necessary to understand the topic. The video explains that a sample is a finite subset of a population, and that statistics are used to describe characteristics of samples while parameters describe characteristics of populations. The video also introduces the concept of a hypothesis, which is any statement made about a population, and lays the foundation for further discussion on testing these hypotheses.
Lesson Description:
This video is part i one of the two part series introducing basic concepts of testing a statistical hypothesis.
Questions answered by this video:
- What is statistics?
- What is a population?
- What is a statistical hypothesis?
- How do you test a statistical hypothesis?
- What is a sample in statistics?
- How do we use samples in everyday life?
- What is a parameter in statistics?
- What is a statistic?
- What are errors in testing a hypothesis?
- What is standard error?
- What is a level of significance?
- What is power of the test?
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Staff Review
In this lesson, the concepts involved in testing a hypothesis are explained. This lesson is just a brief introduction to the ideas / concepts. Terms involved in statistics are defined and explained. Check out the next lesson for more in depth study of hypothesis testing.
