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प्रश्न
Choose the correct alternative:
A ______ is a statement or an assertion about the population parameter
पर्याय
hypothesis
statistic
sample
census
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उत्तर
hypothesis
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संबंधित प्रश्न
What is null hypothesis? Give an example
Define critical region
Define critical value
Define the level of significance
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
Choose the correct alternative:
Errors in sampling are of
Choose the correct alternative:
Type II error is
Choose the correct alternative:
The standard error of sample mean is
Explain in detail the test of significance of a single mean
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)
