Question: Please please help me!!!!! State the conclusion based on the results of the test. The standard deviation in the pressure required to open a certain

Please please help me!!!!!

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 changed. The null hypothesis was rejected. Choose the correct answer below. O A. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has not changed. O B. There is sufficient evidence that the standard deviation in the pressure required to open a certain valve has changed. O C. 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 changed. OF. There is not sufficient evidence that the standard deviation in the pressure required to open a certain valve has changed

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

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 a 0.6 psi. Due to changes in the manufacturing process,...

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 . 6 psi. Due to changes in the manufacturing...

Question 12 (1 point) State the conclusion based on the results of the test. The mean of the pressure required to open a certain valve is known to be u=7.8 psi. Due to changes in the manufacturing...

State the conclusion based on the results of the test. The mean of the pressure required to open a certain valve is known to be mu equals 8.3 psi. Due to changes in the manufacturing process, the...

Question 1 Body Temperatures. Listed below are the body temperatures of four subjects measured at two different times of the day. Assume that you want to use a 0.05 significance level to test the...

help with question 3 VILLAGE HILL SPIRITS - QUESTIONS Assume that you are Grace Baker and you have been asked to elaborate on the memo in Exhibit 1 to address the issues raised by Jordan Wright in...

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Describe and justify what the value of the beta of a U.S. Treasury bill should be.

The project is to produce 200 widgets and is scheduled to take five weeks. Each unit is planned to cost $90. The project is severely cost constrained. Performance data for the project at the end of...

Medicaid provides all of the following benefits EXCEPT A . Income assistance for work - related injury. B . Home health care services. C . Family planning services. D . Eyeglasses.

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...