o https://www.mathxl.com/Student/PlayerTest.aspx?testid 16 MTH 240-41H Test: Uni

Question

o https://www.mathxl.com/Student/PlayerTest.aspx?testid 16 MTH 240-41H Test: Unit 3 Test (Ch 8 - 10) Submit Test This Question: 1 pt 26 of 35(20 complete) This Test: 105 pts possibl 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 =7.9 psi. Due to changes ite manufacting pr001ssthe that the average pressure has increased. The null hypothesis was not rejected A. The mean of the pressure has increased. O B. There is not sufficient evidence that the mean of the pressure required to open a certain valive has increased O C. There is sufficient evidence that the mean of the pressure required to open a certain valve has increased O D. There is sufficient evidence that the mean of the pressure required to open a certain vaive has not changed O E. The mean of the pressure has not changed. O F. There is not sufficient evidence that the mean of the pressure required to open a certain valve has not changed

Explanation / Answer

We have

The given that the null hypothesis is not rejected.

That means null hypothesis accepted.

Then the test is fail to reject.

Conclusion:

B. There is not sufficient evidence that the mean of the pressure required to open a certain valve has changed.

Related Questions

Navigate

• Browse (All)
• Browse O
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.