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प्रश्न
Define critical value
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उत्तर
A critical value is a point on the test distribution that is compared to the test statistic to determine whether to reject the null hypothesis.
It depends on the level of significance. For example, if the confidence level is 90% then the critical value is 1.645
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संबंधित प्रश्न
What is null hypothesis? Give an example
Define alternative hypothesis
Define critical region
What is a type I error?
What is single tailed test
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:
A ______ is a statement or an assertion about the population parameter
Choose the correct alternative:
The standard error of sample mean is
Explain the procedures of testing of hypothesis
The mean I.Q of a sample of 1600 children was 99. Is it likely that this was a random sample from a population with a mean I.Q 100 and standard deviation of 15? (Test at 5% level of significance)
