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statistics exam questions with accurate answers

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1. A_______ is a numerical quantity computed from the data of a sample and is used in reaching a decision on whether or not to reject the null hypothesis. a. significance level b. parameter c. tes... t statistic d. critical value Answer:- test statistic 2. The test statistic measures how close the computed sample statistic has come to the hypothesized population parameter. True False Answer:- True 3. If the p-value is less than alphaα in a two-tail test, _______. a. a one-tail test should be used b. the null hypothesis should be rejected c. no conclusion should be reached d. the null hypothesis should not be rejected Answer:- the null hypothesis should be rejected 4. The larger the p-value, the more likely you are to reject the null hypothesis. True False Answer:- False 5. The smaller the p-value, the stronger is the evidence against the null hypothesis. True False Answer:- True 6. Which of the following would be an appropriate null hypothesis? a. The sample proportion is less than 0.65. b. The population proportion is less than 0.65. c. The sample proportion is no less than 0.65. d. The population proportion is not less than 0.65. Answer:- The population proportion is not less than 0.65 [Show More]

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