Find the relative eror of the following cases. Also, detemine the number of significant digits in the approximations a. x= 2.818328112 and x = 2.8183 b. z = 0.0000067 and z = .000006
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- A z-score of –1.6 has a corresponding Stanine score of:With reference to the uniform population of Exam-ple 4, use the definition of consistency to show that Yn, the nth order statistic, is a consistent estimator of theparameter β.The area between zequals=00 and zequals=3.083.08 under the standard normal curve is
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- A survey of 90 recently delivered women on the rolls of a county welfare department revealed that 27 had a history of intrapartum or postpartum infection. What is the critical value of z if we need to conclude that the population proportion with a history of intrapartum or postpartum infection is less than 0.25.The tests of assumptions for yield gave values for Levene’s statistic and Shapiro-Wilk’s as 0.0562 and .00271, respectively. At a=0.05 , which statistical test is most appropriate to compare the yield among the nitrogen rates? a. Cochran’s Q B. Friedman’s C. Kruskal Wallis test . D. Anova F-testA new insecticide is advertised to kill more than 95% roaches upon contact. In a laboratory test, the insecticide was applied to 400 roaches and 384 died immediately after contact. Is this sufficient evidence to support the advertised claim? Use α=0.05. (c) p-value for the problem above i
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