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7.) Which of the following cannot be an alternative hypothesis?a.)βk= 0b.)βk≠ 0c.)βk> 0d.)βk< 0Ans: aSection: 3.28.) Rejecting a true null hypothesis
9.) For which alternative hypothesis do you reject H0if t≥t(α,NQ2)?10.) For which alternative hypothesis do you reject H0if |t|≥t(α/2,NQ2)?11.) How do you reduce the probability of committing a Type I error?a.) reduceαb.) increaseαc.) use a twoQtailed testd.) increase the rejection regionAns: aSection: 3.312.) In which case would testing the null hypothesis involve a twoQtailed statistical test?13.) In testing H0:β2= c using a .05 probability of a Type I error, you find a pQvalue of .38. Whatshould you conclude?