Test the given claim. Assume that a simple random sample is selected from a normally distributed population. Use either the P-value method or the traditional method of testing hypotheses. Company A uses a new production method to manufacture aircraft altimeters. A simple random sample of new altimeters resulted in errors listed below. Use a 0.05 level of significance to test the claim that the new production method has errors with a standard deviation greater than 32.2 ft, which was the standard deviation for the old production method. If it appears that the standard deviation is greater, does the new production method appear to be better or worse than the old method? Should the company take any action? -44, 76, -25, -70, 40, 11, 19, 54, -5, -54, -108, -108 Find the test stat x=0 (Round to two decimal places as needed.). Determine the critical value(s). The critical value(s) is/are (Use a comma to separate answers as needed. Round to two decimal places as needed.) Since the test statistic is greater than the critical value(s), evidence to support the reject Ho. There is sufficient claim that the new production method has errors with a standard deviation greater than 32.2 ft. The variation appears to be the new method appears to be greater worse than in the past, so because there will be

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The National Weather Service says that the mean daily high temperature for October in a large mid-western city is 56°F. A local weather service suspects that this value is not accurate and wants to perform a hypothesis test to determine whether the mean is actually lower than 56°F. A sample of mean daily high temperatures for October over the past 37 years yields a sample mean of 54o F. Assume that the population standard deviation is 5.6° F. Perform the hypothesis test at the 1% significance level. STEP 1. H0: µ:____   ______o   _____: H1: µ ____  o         NOTE: For ≠ enter /= STEP 2. This test is (e) left-tailed, (f) two-tailed or (g) right-tailed test. This test is:___  (enter e, f or g) STEP 3. The critical value (s) is Use the following chart to identify the critical value (s)                            Left-tailed                         Two-tailed                                         Right tailed α =10%           z = -1.28 (A)                     z=∓1.65 (B)…

Test the given claim. Assume that a simple random sample is selected from a normally distributed population. Use either the​ P-value method or the traditional method of testing hypotheses. Company A uses a new production method to manufacture aircraft altimeters. A simple random sample of new altimeters resulted in errors listed below. Use a 0.05 level of significance to test the claim that the new production method has errors with a standard deviation greater than 32.2​ ft, which was the standard deviation for the old production method. If it appears that the standard deviation is​ greater, does the new production method appear to be better or worse than the old​ method? Should the company take any​ action?   a. Find the test statistic. chi squared equals ​(Round to two decimal places as​ needed.)   b. Determine the critical​ value(s). The critical​ value(s) is/are ​(Use a comma to separate answers as needed. Round to two decimal places as​ needed.)