Consider the following hypothesis test with n = 18, s = 7.9, and x = 60.8. Ho: μ=57 HA: μ#57 α = 0.01 a. State the decision rule in terms of the critical value of the test statistic. b. State the calculated value of the test statistic. c. State the conclusion.
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- cn.studert.cme.examu.net Choose the correct answer for the following question: yp the hative bypothesis for a particular test is given by H, : p0.5. What is the P-value for this test if test statistic z = 2.50? Cive h Pr 2.50)-0.99338) 0.9018 tero17 1917 ce3 0.0124 %23 d. 0.0062 ce362dcfe17 Soscf917 ce302dcf017 2302dcf917 ce362dcf917 se32def917 ce362dc1917 76% MacBook Pro ce362dcf917 e362dcf917 11 00Please answer ASAP. Consider the following hypothesis test: H0: μ = 120 Ha: μ ≠ 120 A sample of 50 is used. Identify the p-value and state your conclusion for each of the following sample results. Use a=0.01. Round the value of the test statistic to three decimal places. If required enter negative values as negative numbers.Two universities give samples of students the same exam. School A records the follwoing sample statistics: ā1=73, 8,=5.5, ni =80. School B records the follwoing sample statistics: z=69, ,=4.4, n2 =90. We wish to build a 95 % cofidence interval to estimate the difference in means between these schools. Define your variable: O Let p be the proprotion School A students that were higher than School B. Let u the mean test score that School A was higher than School B. Let u be the mean test score. O Let u be the mean test score at School A. Create and interpret a 95% Confidence Interval. Round your answers to one decimal place. Select an answer and Select an answer What is the margin of error? Round your answer to one decimal place. Do these results suggest that School A might have higher means on this test? ? Do these results PROVE that School A might have higher means on this test? The campus president at School A made the following statement. "Our students score an average of 5 points…
- When testing Ho:H=H,vs Ho:H1 2, the observed value of the z-score was found to be -2.15. Then, the p - value for this test would be: O A. 0.0316 B. 0.9684 O.0.0158 O D.0.9842Consider the following hypothesis lest: Ho : p = 0.45 %3D Ha :p + 0.45 A sample of 900 provided a sample proporlion of 0.49. Find the value of the test statistic. Select one: O a. : = 1.21 O b.z = 2.41 O c. 2 = -2.41 d. 2 = -1.21