State the conclusion based on the results of the test. Nex qeSuOn The mean of the pressure required to open a certain valve is known to be = 6.4 psi. Due to changes in the manufacturing process, the quality-control manager feels that the average pressure has changed. The null hypothesis was rejected. Choose thee correct answer below. OA. There is not sufficient evidence that the mean of the pressure required to open a certain valve has changed. O B. The mean of the pressure has not changed. Oc. The mean of the pressure has changed. OD. There is sufficient ovidence that the mean of the pressure required to open a certain valve has changed. OE. There is sufficient evidence that the mean of the pressure required to open a certain valve has not changed. OF There is not suficient evidence that the mean of the pressure required to open a certain valve has not changed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
icon
Related questions
Question
State the conclusion based on the results of the test. Nex qeSuOn The mean of the pressure required to open a certain valve is known to be = 6.4 psi. Due to changes in the manufacturing process, the quality-control manager feels that the average pressure has changed. The null hypothesis was rejected. Choose thee correct answer below. OA. There is not sufficient evidence that the mean of the pressure required to open a certain valve has changed. O B. The mean of the pressure has not changed. Oc. The mean of the pressure has changed. OD. There is sufficient ovidence that the mean of the pressure required to open a certain valve has changed. OE. There is sufficient evidence that the mean of the pressure required to open a certain valve has not changed. OF There is not suficient evidence that the mean of the pressure required to open a certain valve has not changed.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt