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प्रश्न
What is null hypothesis? Give an example
उत्तर
According to prof R. A. fisher, “Null hypothesis is the hypothesis which is tested for possible rejection under the assumption that it is true”, and it is denoted by H0.
For example: If we want to find the population mean has a specified value µ0, then the null hypothesis H0 is set as follows H0 : µ = µ0
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