Find the critical values of Z for a two tail test at alpha α = 0.01 LOS.
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Find the critical values of Z for a two tail test at alpha α = 0.01 LOS.
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- Determine the critical value of x2 with 1 degree of freedom in each of the following circumstances: a. a=0.05 b. a=0.025 c. a=0.017. Determine Chi square statistics. (write the result .XXXX) 8. determine the critical value, chi square for alpha of .05 (write the result in XX.XXX) 9. Conclude and discuss the resultsA poll of 700 frequent and occasional fliers found that 450 respondents favored a ban on cellphones in flight, even if technology permits it. At α = .05, can we conclude that morethan half the sampled population supports a ban?
- An educator estimates that the dropout rate for seniors at high schools in Colorado is 12%. Last year in a random sample of 300 Colorado seniors, 27 withdrew from school. At α = 0.05, is there enough evidence to reject the educator’s claim?A textile fiber manufacturer is investigating a new drapery yarn, which the company dlaims has a mean thread elongation of 18 kilograms with a standard deviation of 2.4 kilograms. The company wishes to test the hypothesis, Ho: u= 18 Η: μ 18 Using a random sample of four specimens. Suppose the random sample is from a normal population. Find the power of this test for the case where the true mean elongation is 14.8 kilograms. (Sonuç virgülden sonra 4 basamak olarak verilecektir.)Given the following information: n1=121n1=121, s21=1.415s12=1.415, n2=14n2=14, s22=0.848s22=0.848, Ha: σ21>σ22Ha: σ12>σ22, α=0.05α=0.05 Copy Data Step 1 of 2 : Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer(s) to four decimal places.
- Consider a test of H 0: μ = 50 performed with the computer. SPSS reports a two-tailed p-value of 0.0574. Come to the appropriate conclusion for the given situation: H a: μ <50, z = -1.9, α = 0.05A company specializes in producing bunkers located in places with extremely cold climates under 0°C. A prototype for a new bunker design using different structure design and materials was tested to have the following average interior temperatures: 23.01, 22.22, 22.04, 22.62, and 22.59. Test that the average interior temperature is equal to 22.5 °C using α = 0.05. a.What are the hypothesis statements?#6.3 (p.344). Conduct a test of H0: μ1>= μ2-2.3 versus Ha: μ1< μ2-2.3 for the sample data summarized here. Use α=0.01 in reaching your conclusions.
- You run a regression analysis on a bivariate set of data (n=21n=21). You obtain the regression equationy=0.402x+19.831y=0.402x+19.831with a correlation coefficient of r=0.916r=0.916 (which is significant at α=0.01α=0.01). You want to predict what value (on average) for the explanatory variable will give you a value of 120 on the response variable.What is the predicted explanatory value?xThe critical value for t for n = 10 for a one tail test at α = 5% LOS isNote:- please send me answer in typed form strictly prohibited hand written solution
