A national manufacturer of ball bearings is experimenting with two differentprocesses for producing precision ball bearings. It is important that thediameters be as close as possible to an industry standard. The output fromeach process is sampled and the average error from the industry standard ismeasured in millimeters. The results are presented here. Process A ProcessB Sample mean 2.0 3.0 Sample Standard deviation 1.0 0.5 Sample size 12 14The researcher is interested in determining whether there is a difference inthe variances of the two processes. What is the p - value for this hypothesistest? Select one: a. 2.05% b. 0.05% c. 2.5% d. 5.0%

The given data is as follows:Process AProcess BSample mean2.03.0Sample standard…

Answered: A national manufacturer of ball…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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To determine if their 0.33 centimeter bolts are properly adjusted, Harper Manufacturing has decided to use an x‾-Chart which uses the range to estimate the variability in the sample. Average value 0.370 Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Step 2 of 7: What is the Upper Control Limit? Round your answer to three decimal places. Step 3 of 7: What is the Lower Control Limit? Round your answer to three decimal places. Step 4 of 7: Use the following sample data, taken from the next time period, to determine if the process is "In Control" or "Out of Control".Observations: 0.38,0.31,0.36,0.31,0.36,0.370.38,0.31,0.36,0.31,0.36,0.37Sample Mean: 0.34830.3483 Step 5 of 7: Use the following sample data, taken from the next time period, to determine if the process is "In Control" or "Out of Control".Observations:…
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A national manufacturer of ball bearings is experimenting with two different processes for producing precision ball bearings. It is important that the diameters be as close as possible to an industry standard. The output from each process is sampled, and the average error from the industry standard is measured in millimeters. The results are presented here: Sample mean Standard deviation Sample size Select one: O a. 26 O b. 11 Process A 3.00 1.00 13 The researcher is interested in determining whether there is evidence that the two processes yield different average errors. Assume that Process A is the first population. The population standard deviations are unknown but are assumed equal. What are the degrees of freedom? c. 28 O d. 14 Process B 4.00 0.5 15

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