Question 1What is(are) the critical t test value(s) for a right tailed test where alpha is equal to

Question 1What is(are) the critical t test value(s) for a right tailed test where alpha is equal to .05 and the sample size (n) is equal to 23a.-1.717b.1.717c.-2.101d.-2.101 and 2.101e.None of the above.5 pointsQuestion 2What is(are) the critical t test value(s) for a left tailed test where alpha is equal to .025 and the sample size (n) is equal to 19a.-1.717b.1.717c.-2.101d.-2.101 and 2.101e.None of the above.5 pointsQuestion 3What is(are) the critical t test value(s) for a two tailed test where alpha is equal to .01 and the sample size (n) is equal to 27a.-1.717b.1.717c.-2.101d.-2.101 and 2.101e.-2.779 and 2.779.5 pointsQuestion 4True or false: We reject Ho if the P value is greater than or equal to alphaa.Trueb.False.5 pointsQuestion 5Hypothesis Tests are defined asa.A process that uses sample statistics to test claim about the value of a population parameterb.A proces that involves calculating probabilities of normal distributionsc.A process that involves determining the upper and lower value confidence intervals associated with the distributiond.All of the abovee.None of the above.5 pointsQuestion 6Which of the following statements is true about hypothesis testinga.Hypothesis testing is always a one sided testb.It is a process by which a decision is made between two opposing hypothesis; the null (Ho) and alternate (Ha)c.A process where you always accept the null hypothesis (Ho)d.All of the abovee.None of the above.5 pointsQuestion 7Which of the following statements is true about hypothesis testinga.Hypothesis testing is always a two sidedb.It is a process by which a decision is made by calculating probability of the binomial distributionc.A process where the “burden of proof” is traditionally on the alternate hypothesis. As such, it is up to the analyst to provide evidence in support of the alternate hypothesisd.All of the abovee.None of the above.5 pointsQuestion 8Match the definition with the appropriate term- A. B. C. D. E.AlphaRead Answer Items for Question 8- A. B. C. D. E.Z Test statisticRead Answer Items for Question 8- A. B. C. D. E.Standard ErrorRead Answer Items for Question 8- A. B. C. D. E.Degrees of FreedomRead Answer Items for Question 8- A. B. C. D. E.HoRead Answer Items for Question 8AnswerA.Level of SignificanceB.The null hypothesisC.standard deviation divided by the square root of n (sample size)D.(X(bar) – Mean) divided by the standard errorE.n (sample size) minus 1.5 pointsQuestion 9What is the p value for a one tailed test with a Z value = -1.56a.-1.56b..0455c..0594d..9406e.0.5 pointsQuestion 10Match the definition with the appropriate term- A. B. C. D. E.Burden of proof on the alternate hypothesisRead Answer Items for Question 10- A. B. C. D. E.Type 1 ErrorRead Answer Items for Question 10- A. B. C. D. E.Type II ErrorRead Answer Items for Question 10- A. B. C. D. E.Level of SignificanceRead Answer Items for Question 10- A. B. C. D. E.P – ValueRead Answer Items for Question 10AnswerA.Analogous with our legal system “innocent until proven guilty”B.Maximum allowable probability of making a type I errorC.The probability of regecting Ho, given Ho is actually trueD.The probability of accepting Ho, given Ho is actually falseE.The statistic that is compared with the parameter in the null hypothesis.5 pointsQuestion 11Match the type of test that is associated with the stated claim- A. B. C.Ho: U = 82%Read Answer Items for Question 11- A. B. C.Ho: U > 2.5Read Answer Items for Question 11- A. B. C.Ho: U <= 20read=”” answer=”” items=”” for=”” question=”” 11answera.two=”” tailed=”” testb.one=”” tailed,=”” right=”” tailed=”” testc.one=”” tailed,=”” left=”” tailed=”” test.5=”” pointsquestion=”” 12state=”” the=”” null=”” and=”” alternate=”” hypothesis=”” of=”” the=”” following=”” claim:=”” a=”” university=”” publicizes=”” that=”” the=”” portion=”” of=”” its=”” students=”” who=”” graduate=”” in=”” 4=”” years=”” is=”” equal=”” to=”” 82%a.ho:=”” u=””>=><=82%, ha:=”” u=””> 82 %b.Ho: U = 82%, Ha: U not equal to 82 %c.Ho: U >= 82%, Ha: U < 82%d.ho:=”” u=”4,” ha:=”” u=”” is=”” not=”” equal=”” to=”” 4e.ho:=”” u=””><= 4,=”” ha:=”” u=””> 4.5 pointsQuestion 13State the Null and Alternate Hypothesis of the following claim: A water faucet manufacturer announces that the mean flow rate of a certain type of faucet is less than 2.5 gallons per minutea.Ho: U <= 2.5,=”” ha:=”” u=””> 2.5b.Ho: U = 2.5, Ha: U not equal to 2.5c.Ho: U >= 2.5, Ha: U < 2.5d.ho:=”” u=”4,” ha:=”” u=”” is=”” not=”” equal=”” to=”” 4e.ho:=”” u=””><= 4,=”” ha:=”” u=””> 4.5 pointsQuestion 14State the Null and Alternate Hypothesis of the following claim: A ceral company advertises that the mean weight of the contents of its 20-ounce size cereal boxes is more than 20 ouncesa.Ho: U <= 20,=”” ha:=”” u=””> 20b.Ho: U = 20, Ha: U not equal to 20c.Ho: U >= 20, Ha: U < 20d.ho:=”” u=”4,” ha:=”” u=”” is=”” not=”” equal=”” to=”” 4e.ho:=”” u=””><= 4,=”” ha:=”” u=””> 4.5 pointsQuestion 15Which of the following is true regarding P valuesa.For a left tailed test, P is equal to the area in the left tail of the normal distribution curveb.For a right tailed test, P is equal to the area in the right tail of the normal distribution curvec.For a two tailed test, P is equal to the sum of the area in the right tail plus the area in the left tail or P is equal to 2 times area in the tail of the test statisticd.All of the abovee.None of the above.5 pointsQuestion 16Which of the following statements is true regarding the T Test for a mean:a.The t test for a mean is a statistical test for a population mean. The t-test can be used when the population is normal, the population standard deviation is unknown and the sample size is less than 30b.The t test for a mean is a statistical test for a population mean. The t-test can be used when the population is normal, the population standard deviation is known and the sample size is at least 30c.The t test a statistical test for the variance or standard deviation. The t-test can be used when the population is normal, the population standard deviation is known and the sample size is at least 30d.All of the abovee.None of the above.5 pointsQuestion 17An environmentalist estimates that the mean waste recycled by adults in the United States is more than 1 pound per person per day. You want to test this claim with the burden of proof placed on the alternate hypothesis. You find that the mean waste recycled per person per day for a random sample of 12 adults in the US is 1.46 pounds with a standard deviation of 0.28 pounds. What is the result of this claim at an alpha level of .05. (remember Ho is u <= 1lb)a.accept=”” ho=”” since=”” t=”” calculated=”” (-5.691)=”” is=”” less=”” than=”” critical=”” t=”” (1.796)b.accept=”” ho=”” since=”” t=”” caculated=”” (5.691)=”” is=”” greater=”” than=”” critical=”” t=”” (-1.796)c.reject=”” ho=”” since=”” t=”” calculated=”” (5.691)=”” is=”” greater=”” than=”” critical=”” t=”” (1.796)d.reject=”” ho=”” since=”” t=”” calculated=”” (5.691)=”” is=”” greater=”” than=”” critical=”” t=”” (2.201).5=”” pointsquestion=”” 18an=”” employment=”” information=”” service=”” claims=”” the=”” mean=”” annual=”” pay=”” for=”” full=”” time=”” female=”” workers=”” over=”” age=”” 25=”” and=”” without=”” a=”” high=”” school=”” diploma=”” is=”” $19,100.=”” the=”” annual=”” pay=”” for=”” a=”” random=”” sample=”” of=”” 12=”” full=”” time=”” female=”” workers=”” without=”” a=”” high=”” school=”” diploma=”” provided=”” a=”” mean=”” of=”” $18,886=”” and=”” a=”” standard=”” deviation=”” of=”” $1,397.=”” test=”” the=”” claim=”” at=”” an=”” alpha=”” of=”” .05=”” level=”” that=”” the=”” pay=”” for=”” female=”” workers=”” without=”” a=”” highschool=”” diploma=”” is=”” equivalent=”” to=”” $19,100=”” per=”” yeara.accept=”” the=”” claim=”” because=”” t=”” calculated=”” of=”” -0.531=”” is=”” between=”” critical=”” t=”” values=”” of=”” -2.201=”” and=”” 2.201b.reject=”” the=”” claim=”” because=”” t=”” caculated=”” of=”” -0.531=”” is=”” greater=”” than=”” the=”” critical=”” t=”” value=”” of=”” -2.201c.accept=”” the=”” claim=”” because=”” t=”” calculated=”” of=”” -0.531=”” is=”” less=”” than=”” a=”” caculated=”” t=”” value=”” of=”” 1.796d.accept=”” the=”” claim=”” because=”” t=”” calculated=”” of=”” -0.531=”” is=”” between=”” critical=”” t=”” values=”” of=”” -1.769=”” and=”” 1.769e.none=”” of=”” the=”” above=”” is=”” true.5=”” pointsquestion=”” 19the=”” dean=”” of=”” a=”” university=”” estimates=”” that=”” the=”” mean=”” number=”” of=”” classroom=”” hours=”” per=”” week=”” for=”” full=”” time=”” faculty=”” is=”” 11.0.=”” as=”” a=”” member=”” of=”” the=”” student=”” council,=”” you=”” want=”” to=”” test=”” this=”” claim.=”” a=”” random=”” sample=”” for=”” a=”” number=”” of=”” classroom=”” hours=”” for=”” eight=”” full=”” time=”” faculty=”” for=”” one=”” week=”” provided=”” a=”” mean=”” of=”” 10.05=”” hours=”” and=”” a=”” standard=”” deviation=”” of=”” 2.485=”” hours.=”” test=”” the=”” claim=”” that=”” the=”” number=”” of=”” faculty=”” classroom=”” hours=”” per=”” week=”” is=”” equal=”” to=”” 11=”” at=”” an=”” alpha=”” level=”” of=”” .01.=”” choose=”” the=”” best=”” possible=”” answera.accept=”” the=”” claim=”” since=”” t=”” calculated=”” of=”” -1.081=”” is=”” between=”” the=”” critical=”” t=”” values=”” of=”” -1.895=”” and=”” 1.895b.accept=”” the=”” claim=”” since=”” t=”” calculated=”” of=”” -1.081=”” is=”” between=”” the=”” critical=”” t=”” values=”” of=”” -3.499=”” and=”” 3.499c.reject=”” the=”” claim=”” since=”” t=”” calculated=”” of=”” -1.081=”” is=”” less=”” the=”” critical=”” t=”” values=”” of=”” -0.896d.reject=”” the=”” claim=”” since=”” t=”” calculated=”” of=”” -1.081=”” does=”” not=”” fall=”” between=”” the=”” critical=”” t=”” valuese.none=”” of=”” the=”” above.5=”” pointsquestion=”” 20a=”” microwave=”” oven=”” repairer=”” says=”” that=”” the=”” mean=”” repair=”” cost=”” for=”” damaged=”” microwave=”” ovens=”” is=”” less=”” than=”” $100.=”” you=”” work=”” for=”” the=”” repairer=”” and=”” want=”” to=”” test=”” the=”” claim.=”” you=”” find=”” that=”” a=”” random=”” sample=”” of=”” 5=”” microwave=”” ovens=”” has=”” a=”” mean=”” repair=”” cost=”” of=”” $75=”” and=”” a=”” standard=”” deviation=”” of=”” $12.50.=”” you=”” want=”” to=”” test=”” the=”” claim=”” at=”” a=”” alpha=”” level=”” of=”” .01.=”” choose=”” the=”” result=”” that=”” provides=”” the=”” result=”” of=”” this=”” claima.accept=”” ho=”” (the=”” claim=”” that=”” repair=”” cost=”” is=”” less=”” than=”” or=”” equal=”” to=”” $100),=”” since=”” t=”” calculated=”” of=”” 4.472=”” is=”” greater=”” than=”” critical=”” t=”” of=”” 3.747b.reject=”” ho=”” (the=”” claim=”” that=”” repair=”” cost=”” is=”” less=”” than=”” or=”” equal=”” to=”” $100)=”” since=”” t=”” calculated=”” of=”” -4.472=”” is=”” less=”” than=”” a=”” critical=”” t=”” value=”” of=”” -3.747c.accept=”” ho=”” (the=”” claim=”” that=”” repair=”” cost=”” is=”” less=”” than=”” or=”” equal=”” to=”” $100)=”” since=”” t=”” calculated=”” of=”” -4.472=”” is=”” less=”” than=”” a=”” critical=”” t=”” value=”” of=”” 3.747d.reject=”” ho=”” (the=”” claim=”” that=”” repair=”” cost=”” is=”” less=”” than=”” or=”” equal=”” to=”” $100)=”” since=”” t=”” calculated=”” of=”” 2.132=”” is=”” less=”” than=”” a=”” critical=”” t=”” of=”” 3.747.5=”” points=””>=>

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