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6 points Save Asswer A sample of 144 observations is selected from a normal population. The...
Question A sample of 16 observations is selected from a normal population. The sample mean is...
Question A sample of 16 observations is selected from a normal population. The sample mean is 2 wd the population standard deviation is 30 You want to conduct the following test of hypothesis of the 0.05 significance level He w = 300; H. u*300 Calculate the value of the test statistic and submit it as the answer to this question On your submitted numerical calculation page state whether you are Hoor b) do not repect Ho Activate Window Question 66
6) A sample of 40 observations is selected from a normal population. The sample mean is...
6) A sample of 40 observations is selected from a normal population. The sample mean is 31, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level. a) Is this a one or two- tailed test? b) What is the decision rule? (Round your answer 2 decimal places) _____ HO, when z > ______ c) What is the value of the test statistic? Value of the test statistic ______ d) What is...
A sample of 35 observations is selected from a normal population. The sample mean is 16,...
A sample of 35 observations is selected from a normal population. The sample mean is 16, and the population standard deviation is 4. Conduct the following test of hypothesis using the 0.05 significance level. Họ: H = 15 Hi: 4 > 15 a. Is this a one-or two-tailed test? One-tailed test Two-tailed test b. What is the decision rule? Reject Ho when z> 1.645 Reject Ho when zs 1.645 c. What is the value of the test statistic? (Round your...
A sample of 48 observations is selected from a normal population. The sample mean is 57,...
A sample of 48 observations is selected from a normal population. The sample mean is 57, and the population standard deviation is 6 Conduct the following test of hypothesis using the 0.01 significance level. Ho: H58 H1: H58 a. Is this a one- or two-tailed test? O One-tailed test O Two-tailed test b. What is the decision rule? Reject Ho if -2.576 < z < 2.576 Reject Ho if z<-2.576 or z> 2.576 c. What is the value of the...
A sample of 44 observations is selected from a normal population. The sample mean is 46,...
A sample of 44 observations is selected from a normal population. The sample mean is 46, and the population standard deviation is 7. Conduct the following test of hypothesis using the 0.01 significance level. Ho: M = 50 Hu 50 a. Is this a one- or two-tailed test? One-tailed test Two-tailed test b. What is the decision rule? Reject Ho if -2.576 <z<2.576 Reject Ho if z<-2.576 or z> 2.576 c. What is the value of the test statistic? (Negative...
A sample of 60 observations is selected from one population with a population standard deviation of...
A sample of 60 observations is selected from one population with a population standard deviation of 0.68. The sample mean is 268. A sample of 49 observations is selected from a second population with a population standard deviation of 0.69. The sample mean is 2.62. Conduct the following test of hypothesis using the 0.1 significance level: HO H-120 th: H1-H2 > 0 a. Is this a one-tailed or a two-tailed test? This is a one -tailed test. b. State the...
A sample of 64 observations is selected from a normal population. The sample mean is 215,...
A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the 0.03 significance level: HO: u? 220 H1 : < 220 a. Is this a one-or two-tailed test? Two-tailed b. What is the decision rule? (Negative answer should be indicated by a minus sign. Round the final answer to 2 decimal places.) (Click to select) v Ho when z< D...
A sample of 35 observations is selected from a normal population. The sample mean is 29,...
A sample of 35 observations is selected from a normal population. The sample mean is 29, and the population standard deviation is 2. Conduct the following test of hypothesis using the 0.02 significance level. H0: ? ? 28 H1: ? >28 1. a. Is this a one- or two-tailed test? Two-tailed test One-tailed test 2. b. What is the decision rule? Reject H0 when z ? 2.054 Reject H0 when z > 2.054 3. c. What is the value of...
A sample of 37 observations is selected from a normal population. The sample mean is 29,...
A sample of 37 observations is selected from a normal population. The sample mean is 29, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.05 significance level. H0 : μ ≤ 26 H1 : μ > 26 a. Is this a one- or two-tailed test? "One-tailed"-the alternate hypothesis is greater than direction. "Two-tailed"-the alternate hypothesis is different from direction. b. What is the decision rule? (Round your answer to 3 decimal places.)...
A sample of 35 observations is selected from a normal population. The sample mean is 26,...
A sample of 35 observations is selected from a normal population. The sample mean is 26, and the population standard deviation is 4. Conduct the following test of hypothesis using the 0.05 significance level. H0 : μ ≤ 25 H1 : μ > 25 A.) Is this a one- or two-tailed test? "Two-tailed"-the alternate hypothesis is different from direction. "One-tailed"-the alternate hypothesis is greater than direction B.) What is the decision rule? (Round your answer to 3 decimal places.) H0,...
Question A sample of 16 observations is selected from a normal population. The sample mean is 2 wd the population standard deviation is 30 You want to conduct the following test of hypothesis of the 0.05 significance level He w = 300; H. u*300 Calculate the value of the test statistic and submit it as the answer to this question On your submitted numerical calculation page state whether you are Hoor b) do not repect Ho Activate Window Question 66
A sample of 35 observations is selected from a normal population. The sample mean is 16, and the population standard deviation is 4. Conduct the following test of hypothesis using the 0.05 significance level. Họ: H = 15 Hi: 4 > 15 a. Is this a one-or two-tailed test? One-tailed test Two-tailed test b. What is the decision rule? Reject Ho when z> 1.645 Reject Ho when zs 1.645 c. What is the value of the test statistic? (Round your...
A sample of 48 observations is selected from a normal population. The sample mean is 57, and the population standard deviation is 6 Conduct the following test of hypothesis using the 0.01 significance level. Ho: H58 H1: H58 a. Is this a one- or two-tailed test? O One-tailed test O Two-tailed test b. What is the decision rule? Reject Ho if -2.576 < z < 2.576 Reject Ho if z<-2.576 or z> 2.576 c. What is the value of the...
A sample of 44 observations is selected from a normal population. The sample mean is 46, and the population standard deviation is 7. Conduct the following test of hypothesis using the 0.01 significance level. Ho: M = 50 Hu 50 a. Is this a one- or two-tailed test? One-tailed test Two-tailed test b. What is the decision rule? Reject Ho if -2.576 <z<2.576 Reject Ho if z<-2.576 or z> 2.576 c. What is the value of the test statistic? (Negative...
A sample of 60 observations is selected from one population with a population standard deviation of 0.68. The sample mean is 268. A sample of 49 observations is selected from a second population with a population standard deviation of 0.69. The sample mean is 2.62. Conduct the following test of hypothesis using the 0.1 significance level: HO H-120 th: H1-H2 > 0 a. Is this a one-tailed or a two-tailed test? This is a one -tailed test. b. State the...
A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the 0.03 significance level: HO: u? 220 H1 : < 220 a. Is this a one-or two-tailed test? Two-tailed b. What is the decision rule? (Negative answer should be indicated by a minus sign. Round the final answer to 2 decimal places.) (Click to select) v Ho when z< D...
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