State the conclusion based on the results of the test. The standard deviation in the pressure required to open a certain valve is known to be o = 0.8 psi. Due to changes in the manufacturing process, the quality-control manager feels that the pressure variability has increased. The null hypothesis was rejected. Choose the correct answer below. O A. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased. O B. There is not sufficient evidence that the standard deviation in the pressure required to open certain valve has not changed. OC. The standard deviation in the pressure has not changed. O D. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has not changed. O E. The standard deviation in the pressure has increased. O F. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased.
State the conclusion based on the results of the test. The standard deviation in the pressure required to open a certain valve is known to be o = 0.8 psi. Due to changes in the manufacturing process, the quality-control manager feels that the pressure variability has increased. The null hypothesis was rejected. Choose the correct answer below. O A. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased. O B. There is not sufficient evidence that the standard deviation in the pressure required to open certain valve has not changed. OC. The standard deviation in the pressure has not changed. O D. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has not changed. O E. The standard deviation in the pressure has increased. O F. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased.
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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Transcribed Image Text:State the conclusion based on the results of the test.
The standard deviation in the pressure required to open a certain valve is known to be o = 0.8 psi. Due to changes in the manufacturing process, the quality-control
manager feels that the pressure variability has increased. The null hypothesis was rejected.
Choose the correct answer below.
O A. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased.
O B. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has not changed.
OC. The standard deviation in the pressure has not changed.
O D. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has not changed.
O E. The standard deviation in the pressure has increased.
O F. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has increased.
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