Make me questions on Testing Hypothesis: Null and Alternative hypotheses

QuizÂ by Vincent Villasante

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10 questions

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- Q1What is a null hypothesis?A hypothesis that predicts a significant difference between specified populations or variablesA hypothesis that is always rejectedA hypothesis that is proven to be trueA hypothesis that states there is no significant difference between specified populations or variables30s
- Q2What is an alternative hypothesis?A hypothesis that is always rejectedA hypothesis that states there is no significant difference between specified populations or variablesA hypothesis that predicts a significant difference between specified populations or variablesA hypothesis that is proven to be true30s
- Q3Which type of hypothesis is tested first?Alternative hypothesisNeitherBoth are tested simultaneouslyNull hypothesis30s
- Q4What is a Type I error?Failing to reject a false null hypothesisRejecting a true null hypothesisFailing to reject a true null hypothesisRejecting a false null hypothesis30s
- Q5What is a Type II error?Failing to reject a false null hypothesisRejecting a true null hypothesisRejecting a false null hypothesisFailing to reject a true null hypothesis30s
- Q6What is the significance level typically set at?1.000.050.100.0130s
- Q7What is statistical power?The ability of a test to incorrectly accept a false null hypothesisThe ability of a test to incorrectly reject a true null hypothesisThe ability of a test to correctly reject a false null hypothesisThe ability of a test to correctly accept a true null hypothesis30s
- Q8What is the formula for calculating power?alpha + betabeta - alpha1 + alpha1 - beta30s
- Q9What is the formula for calculating Type I error probability?1 - alphaalphabeta1 - beta30s
- Q10What is the formula for calculating Type II error probability?betaalpha1 - beta1 - alpha30s