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Consider the following hypothesis test. H0415 50 Ha: .u) 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use a = 0.05. (Round your answers to two decimal places.) (a) Q = 52.6 Find the value of the test statistic. :| State the critical values for the rejection rule. (If the test is onetailed, enter NONE for the unused tail.) test statistic s \\:| test statistic 2 \\:| State your conclusion. 0 Reject H0. There is insufficient evidence to conclude that ,u > 50. 0 Do not reject H0. There is insufficient evidence to conclude that u > 50. O Reject H0. There is sufficient evidence to conclude that pi > 50. 0 Do not reject H0. There is sufcient evidence to conclude that p. > 50. (b) = 51 Find the value of the test statistic. :| State the critical values for the rejection rule. (If the test is one-tailed, enter NONE for the unused tail.) test statistic s \\:| test statistic 2 \\:| State your conclusion. O Reject H . There is insufficient evidence to conclude that / > 50. O Do not reject H . There is insufficient evidence to conclude that u > 50. O Reject H . There is sufficient evidence to conclude that u > 50. O Do not reject H . There is sufficient evidence to conclude that u > 50. (c) x = 51.9 Find the value of the test statistic. State the critical values for the rejection rule. (If the test is one-tailed, enter NONE for the unused tail.) test statistic s test statistic 2 State your conclusion. O Reject Ho. There is insufficient evidence to conclude that u > 50. O Do not reject H . There is insufficient evidence to conclude that u > 50. O Reject Ho. There is sufficient evidence to conclude that / > 50. O Do not reject H . There is sufficient evidence to conclude that / > 50