# Перейти на головну сторінку Bing

English
21 результати
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. ## Hypothesis - Wikipedia

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

A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon.For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories. Even though the words "hypothesis" and "theory" are often used ...

3. ## How to Set Up a Hypothesis Test: Null versus Alternative ...

https://www.dummies.com/education/math/statistics/how-to-set-up-a...

When you set up a hypothesis test to determine the validity of a statistical claim, you need to define both a null hypothesis and an alternative hypothesis. Researchers often challenge claims about population parameters. You may hypothesize, for example, that the actual proportion of women who have ...

4. ## Null and Alternative Hypothesis | Real Statistics Using Excel

www.real-statistics.com/hypothesis-testing/null-hypothesis

Describes how to test the null hypothesis that some estimate is due to chance vs the alternative hypothesis that there is some statistically significant effect.

5. ## Research Hypothesis - Explorable

https://explorable.com/research-hypothesis

The precursor to a hypothesis is a research problem, usually framed as a question.It might ask what, or why, something is happening. For example, we might wonder why the …

6. ## What is a null hypothesis? definition and meaning ...

www.businessdictionary.com/definition/null-hypothesis.html

A proposition that undergoes verification to determine if it should be accepted or rejected in favor of an alternative proposition. Often the null hypothesis is expressed as "There is no relationship between two quantities.". For example, in market research, the null hypothesis would be "A ten-percent increase in price will not adversely affect the sale of this product."

7. ## Glossary of Statistical Terms - Department of Statistics

https://www.stat.berkeley.edu/~stark/SticiGui/Text/gloss.htm

Glossary of Statistical Terms You can use the "find" (find in frame, find in page) function in your browser to search the glossary.

8. ## DEVELOPING HYPOTHESIS AND RESEARCH QUESTIONS

www.public.asu.edu/~kroel/www500/hypothesis.pdf · Файл PDF

DEVELOPING HYPOTHESES & RESEARCH QUESTIONS Definitions of hypothesis “It is a tentative prediction about the nature of the relationship between two or

9. ## Null Hypothesis - The Commonly Accepted Hypothesis

https://explorable.com/null-hypothesis

The simplistic definition of the null is as the opposite of the alternative hypothesis, H 1, although the principle is a little more complex than that.. The null hypothesis (H 0) is a hypothesis which the researcher tries to disprove, reject or nullify.. The 'null' often refers to the common view of something, while the alternative hypothesis is what the researcher really thinks is the cause ...

10. ## 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.