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Test whether u,<u2 at the a = 0.05 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distribute FClick the icon to view the data table. Determine the null and alternative hypothesis for this test. OA. Ho12 O B. HoH12 OC. HOH12 H12 OD. HOH2 H12 Click to select your answer(s). Test whether u,<2 at the a = 0.05 level of significance for the sample data shown in the accompanying table....
A random sample of 100 observations from a population with standard deviation 76 yielded a sample mean of 114. Complete parts a through c below. a. Test the null hypothesis that u = 100 against the alternative hypothesis that u > 100, using a = 0.05. Interpret the results of the test. What is the value of the test statistic? und to two decimal places as needed.) Find the p-value. p-value = (Round to three decimal places as needed.) State...
Consider the follovwing hypothesis test. Ho: us 12 H:u > 12 A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.33. (a) Compute the value of the test statistic. (Round your answer to three decimal places.) (b) Use the t distribution table to compute a range for the p-value. O p-value > 0.200 0.100 < p-value < 0.200 0.050 < p-value < 0.100 0.025 < p-value < 0.050 0.010 < p-value...
19 25 The sample of six measurements shown below was randomly selected from a normally distributed population. Complete parts a through c. 1,2,3,3,4,1 a. Test the null hypothesis that the mean of the population is 3 against the alternative hypothesis. p < 3. Use a = 0.05 Ifq=0.05, find the rejection region for the test. Choose the correct answer below. % 1994 1994 OA. <-2015 or t> 2015 Oct-2571 O E. > 2571 OB < -2015 OD < -2571 ort...
Consider the following hypothesis test. Hoius 12 H: > 12 A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.25. (a) Compute the value of the test statistic. (Round your answer to three decimal places.) (b) Use the t distribution table to compute a range for the p-value. O p-value > 0.200 O 0.100 < p-value < 0.200 O 0.050 < p-value < 0.100 O 0.025 < p-value < 0.050 O...
A random sample of 100 observations from a population with standard deviation 63 yielded a sample mean of 111. Complete parts a through c. a. Test the null hypothesis that y 100 against the alternative hypothesis that > 100, using a 0.05. Interpret the results of the test. Ho is rejected Ho is not rejected O Interpret the results of the test. Choose the correct interpretation below. O A. There is sufficient evidence to indicate the true population mean is...
Test whether Hy <H2 at the a=0.05 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. Sample Data O A. Ho:P1 = H2 H7:41 +42 OB. Ho:14 42 H1 H1 H2 n Population 1 31 103.5 12.3 Population 2 25 114.5 © C. How * P2 HM1 <H2 OD. Ho H1 H2 H1:21...
Test whether 14 <H2 at the c = 0.05 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. B! Click the icon to view the data table, Determine the null and alternative hypothesis for this test. Sample Data O A. Ho:H1 = H2 H:H *H2 OB. Ho H1 H2 HEM1 =12 @ C. Hp-Hifl2 H:H1 H2 OD. Ho H1 = H2 H:H1 <H2 n Population 1 31 103.5 12.3 Population...
A sample from a Normal distribution with an unknown mean u and known variance o = 45 was taken with n=9 samples giving sample mean of y = 3.6. (a) Construct a Hypothesis test with significance level a = 0.05 to test whether the mean is equal to 0 or it is greater than 0. What can you conclude based on the outcome of the sample? (b) Calculate the power of this test if the true value of the mean...
Test whether at the 0.01 level of significance for the sample data shown in the accompanying table Assume that the populations are normally distributed Click the icon to view the datatable Determine the null and alternative hypothesis for this test OA. HOR Sample Data - X OB. Het Ha OCH 12 n Population 1 33 1035 123 Population 2 25 1145 133 OD. HE 2 Hyh Print Done Determine the value for this hypothesis test P-Round to three decimal places...