The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a=0.01, is there enough evidence to conclude that sc tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (f). Patient 1 2 3 4 5 6 7 8 9 10 11 D Daily headache hours (before) 3.4 2.7 2.9 3.5 3.5 1.9 3.3 3.7 3.1 3.7 3.3 Daily headache hours (after) 1.3 1.4 1.2 1.4 3.0 1.2 1.8 1.8 1.9 2.6 2.8 (a) Identify the claim and state Ho and Ha- The claim is "The therapy the length of time patients suffer from headaches." Let Ha be the hypothesized mean of the patients' daily headache hours before therapy minus their daily headache hours after it. State Ho and H₂. Choose the correct answer below. OA. Ho: Hd ≤0 OB. Ho Hd Sd OC. Ho: Hd=d Ha: Hd #d Ha: Hd >0 Ha: Hd >d OD. Ho: Hd #d Ha: Hd=d (b) Find the critical value(s) and identify the rejection region(s). OE. Ho: Hd zd Ha: Hd
The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a=0.01, is there enough evidence to conclude that sc tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (f). Patient 1 2 3 4 5 6 7 8 9 10 11 D Daily headache hours (before) 3.4 2.7 2.9 3.5 3.5 1.9 3.3 3.7 3.1 3.7 3.3 Daily headache hours (after) 1.3 1.4 1.2 1.4 3.0 1.2 1.8 1.8 1.9 2.6 2.8 (a) Identify the claim and state Ho and Ha- The claim is "The therapy the length of time patients suffer from headaches." Let Ha be the hypothesized mean of the patients' daily headache hours before therapy minus their daily headache hours after it. State Ho and H₂. Choose the correct answer below. OA. Ho: Hd ≤0 OB. Ho Hd Sd OC. Ho: Hd=d Ha: Hd #d Ha: Hd >0 Ha: Hd >d OD. Ho: Hd #d Ha: Hd=d (b) Find the critical value(s) and identify the rejection region(s). OE. Ho: Hd zd Ha: Hd
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Plz help asap t6.

Transcribed Image Text:The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a=0.01, is there enough evidence to conclude that soft
tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a)
through (f).
Patient
1
Daily headache hours (before) 3.4
Daily headache hours (after) 1.3 1.4 1.2 1.4 3.0 1.2
2 3 4 5 6 7 8 9 10 11
2.7 2.9 3.5 3.5 1.9 3.3 3.7 3.1 3.7 3.3
1.8 1.8 1.9 2.6 2.8
Identify the rejection region(s). Choose the correct answer below.
O A. t-3.169
OB. t - 3.169 or 1>3.169
OC. t< -2.764 or t>2.764
OD. t>2.764
(c) Calculate d.
d=
(Type an integer or a decimal. Round to three decimal places as needed.)
Calculate Sd-
Sd=
(Type an integer or a decimal. Round to three decimal places as needed.)
(d) Use the t-test to find the standardized test statistic t.
t=
(Tvne an integer or a decimal Round to three decimal places as needed)

Transcribed Image Text:The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a = 0.01, is there enough evidence to conclude that soft
tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a)
through (f).
Patient
1
2
3
4
5
6 7
8 9 10 11 D
Daily headache hours (before) 3.4 2.7 2.9 3.5 3.5 1.9 3.3 3.7 3.1 3.7 3.3
Daily headache hours (after) 1.3 1.4 1.2 1.4 3.0 1.2 1.8 1.8 1.9 2.6 2.8
(a) Identify the claim and state Ho and H₂-
The claim is "The therapy
the length of time patients suffer from headaches."
Let Hd be the hypothesized mean of the patients' daily headache hours before therapy minus their daily headache hours after it. State Ho and Ha. Choose the correct answer below.
O A. Ho: Hd SO
OB. Ho: Hd Sd
Hai Hd>d
OC. Ho: Hd=d
Ha: Hd #d
Ha: Hd >0
OD. Ho: Hd #d
Ha: Hd=d
OE. Ho: Hd zd
Ha: Hd <d
(b) Find the critical value(s) and identify the rejection region(s).
to =
(Use a comma to separate answers as needed. Type an integer or a decimal. Round to three decimal places as needed.)
Identify the rejection region(s). Choose the correct answer below.
OA. t<-3.169
OF. Ho: Hd 20
Hai Hd <0
Timo Romoini
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 30 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman