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प्रश्न
Choose the correct alternative:
Type II error is
पर्याय
Accept H0 when it is wrong
Accept H0 when it is true
Reject H0 when it is true
Reject H0 when it is false
उत्तर
Accept H0 when it is wrong
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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?
The average score on a nationally administered aptitude test was 76 and the corresponding standard deviation was 8. In order to evaluate a state’s education system, the scores of 100 of the state’s students were randomly selected. These students had an average score of 72. Test at a significance level of 0.05 if there is a significant difference between the state scores and the national scores
The mean breaking strength of cables supplied by a manufacturer is 1,800 with a standard deviation of 100. By a new technique in the manufacturing process it is claimed that the breaking strength of the cables has increased. In order to test this claim a sample of 50 cables is tested. It is found that the mean breaking strength is 1,850. Can you support the claim at 0.01 level of significance?
Explain the procedures of testing of hypothesis
Explain in detail the test of significance of a single mean
