null hypothesis



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." Based on survey results, this hypothesis will be either accepted as correct or rejected as incorrect.

Use null hypothesis in a sentence

  • When trying something new in a business you may take a null hypothesis way of dealing with it to try and find the right answer.

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  • The scientist settled on a null hypothesis at the onset of the experiment because there was no data to convince him otherwise.

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  • I was doing an experiment to see whether the various options were good or bad but the result was a null hypothesis.

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