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1. ## Null hypothesis - Wikipedia

https://en.wikipedia.org/wiki/Null_hypothesis

Principle. Hypothesis testing requires constructing a statistical model of what the data would look like, given that chance or random processes alone were responsible for the results. The hypothesis that chance alone is responsible for the results is called the null hypothesis.The model of the result of the random process is called the distribution under the null hypothesis.

2. ## Difference Between Null and Alternative Hypothesis ...

www.differencebetween.net/language/difference-between-null-and...

Null vs Alternative Hypothesis. A hypothesis is described as a proposed explanation for an observable phenomenon. It is intended to explain facts and observations about the natural world, providing insight that has not been verified but can be proven true.

3. ## Quiz & Worksheet - Comparing the Null & Alternative ...

https://study.com/academy/practice/quiz-worksheet-comparing-the...

What are the null and alternative hypotheses and how do they relate to hypothesis testing? This interactive quiz and printable worksheet will help...

4. ## Null Hypothesis - Investopedia

https://www.investopedia.com/terms/n/null_hypothesis.asp

The null hypothesis is the initial statistical claim that the population mean is equivalent to the claimed. For example, assume the average time to cook a specific brand of pasta is 12 minutes.

5. ## Hypothesis testing - Handbook of Biological Statistics

www.biostathandbook.com/hypothesistesting.html

Summary. One of the main goals of statistical hypothesis testing is to estimate the P value, which is the probability of obtaining the observed results, or something more extreme, if the null hypothesis were true. If the observed results are unlikely under the null hypothesis, your reject the null hypothesis.

6. ## Statistical hypothesis testing - Wikipedia

https://en.wikipedia.org/wiki/Statistical_hypothesis_testing

Variations and sub-classes. Statistical hypothesis testing is a key technique of both frequentist inference and Bayesian inference, although the two types of inference have notable differences.Statistical hypothesis tests define a procedure that controls (fixes) the probability of incorrectly deciding that a default position (null hypothesis) is incorrect.

7. ## What is a Null Hypothesis? - Definition & Examples - Video ...

https://study.com/academy/lesson/what-is-a-null-hypothesis...

This lesson will give the definition of a null hypothesis, as well as an alternative hypothesis. Examples will be given to clearly illustrate the concept of a null hypothesis versus an alternative ...

8. ## Practice Hypothesis Testing Questions for DSc310 ...

www2.gsu.edu/~dscbms/ibs/hypot.html

722-1. Q: The level of significance is (check all that apply): A. the probability of rejecting the null hypothesis when the null hypothesis is true.

9. ## Lecture 10: Multiple Testing - UW Genome Sciences

www.gs.washington.edu/academics/courses/akey/56008/lecture/lecture... · Файл PDF

Counting Errors Assume we are testing H1, H2, …, Hm m 0 = # of true hypotheses R = # of rejected hypotheses V = # Type I errors [false positives] m 0 m-m 0 m V S R Called Significant U T m - R Not Called Significant True True Total Null Alternative

10. ## Hypothesis Testing - Investopedia

https://www.investopedia.com/terms/h/hypothesistesting.asp

Hypothesis testing is the process that an analyst uses to test a statistical hypothesis. The methodology employed by the analyst depends on the nature of the data used and the reason for the analysis.