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प्रश्न
Define the level of significance
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उत्तर
The probability of type 1 error is known as level. of significance and it is denoted by the level of significance is usually employed in testing of hypothesis are 5% and 1%.
The level of significance is always fixed in advanced before collecting the sample information.
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संबंधित प्रश्न
What is null hypothesis? Give an example
Define alternative hypothesis
Define critical value
What is a type I error?
What is single tailed test
A sample of 100 items, draw from a universe with mean value 4 and S.D 3, has a mean value 63.5. Is the difference in the mean significant at 0.05 level of significance?
A sample of 400 individuals is found to have a mean height of 67.47 inches. Can it be reasonably regarded as a sample from a large population with a mean height of 67.39 inches and standard deviation of 1.30 inches?
Choose the correct alternative:
Type II error is
Choose the correct alternative:
The standard error of sample mean is
Explain the procedures of testing of hypothesis
