K The piston diameter of a certain hand pump is 0.5 inch. The manager determines that the diameters are normally distributed, with a mean of 0.5 inch and a standard deviation of 0.006 inch. After recalibrating the production machine, the manager randomly selects 22 pistons and determines that the standard deviation is 0.0044 inch. Is there significant evidence for the manager to conclude that the standard deviation has decreased at the a=0:10 level of significance? What are the correct hypotheses for this test? The null hypothesis is H 0.006 The alternative hypothesis is H Calculate the value of the test statistic 0.000 x-11 203 (Round to three decimal places as needed) Use technology to determine the P-value for the test statistic The P-value is (Round to three decimal places as needed.)

K The piston diameter of a certain hand pump is 0.5 inch. The manager determines that the diameters are normally distributed, with a mean of 0.5 inch and a standard deviation of 0.006 inch. After recalibrating the production machine, the manager randomly selects 22 pistons and determines that the standard deviation is 0.0044 inch. Is there significant evidence for the manager to conclude that the standard deviation has decreased at the a=0:10 level of significance? What are the correct hypotheses for this test? The null hypothesis is H 0.006 The alternative hypothesis is H Calculate the value of the test statistic 0.000 x-11 203 (Round to three decimal places as needed) Use technology to determine the P-value for the test statistic The P-value is (Round to three decimal places as needed.)

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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