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 been reduced (a) State the null and alternative hypotheses in words (b) State the null and alternative hypotheses symbolically (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error XD (a) State the null hypothesis in words. Choose the correct answer below OA. The standard deviation in the pressure required to open a certain valve is 0.6 psi OB. The standard deviation in the pressure required to open a certain valve is greater than 0.6 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi. O D. The standard deviation in the pressure required to open any valve is 0.6 psi State the alternative hypothesis in words. Choose the correct answer below different from 06 psi 4

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Solve A) to D)

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 process, the quality-control manager feels that the pressure variability has
been reduced
(a) State the null and alternative hypotheses in words
(b) State the null and alternative hypotheses symbolically.
(c) Explain what it would mean to make a Type I error.
(d) Explain what it would mean to make a Type II error.
(a) State the null hypothesis in words. Choose the correct answer below.
OA. The standard deviation in the pressure required to open a certain valve is 0.6 psi.
OB. The standard deviation in the pressure required to open a certain valve is greater than 0.6 psi.
OC. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi.
OD. The standard deviation in the pressure required to open any valve is 0.6 psi.
State the alternative hypothesis in words. Choose the correct answer below
OA. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi
OB. The standard deviation in the pressure required to open a certain valve is 0.6 psi.
OC. The standard deviation in the pressure required to open any valve is 0.6 psi
OD. The standard deviation in the pressure required to open a certain valve is less than 0.6 psi.
(b) State the hypotheses symbolically
Ho
H₁
psi
(Type integers or decimals. Do not round)
(c) What would it mean to make a Type I error?
psi
Transcribed Image Text: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 process, the quality-control manager feels that the pressure variability has been reduced (a) State the null and alternative hypotheses in words (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type II error. (a) State the null hypothesis in words. Choose the correct answer below. OA. The standard deviation in the pressure required to open a certain valve is 0.6 psi. OB. The standard deviation in the pressure required to open a certain valve is greater than 0.6 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi. OD. The standard deviation in the pressure required to open any valve is 0.6 psi. State the alternative hypothesis in words. Choose the correct answer below OA. The standard deviation in the pressure required to open a certain valve is different from 0.6 psi OB. The standard deviation in the pressure required to open a certain valve is 0.6 psi. OC. The standard deviation in the pressure required to open any valve is 0.6 psi OD. The standard deviation in the pressure required to open a certain valve is less than 0.6 psi. (b) State the hypotheses symbolically Ho H₁ psi (Type integers or decimals. Do not round) (c) What would it mean to make a Type I error? psi
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman