Pulmonary Disease The data in the table below concern the mean triceps skin-fold thickness in a group of normal men and a group of men with chronic airflow limitation. Group Mean sd n 1.36 0.56 40 Normal Chronic airflow limitation 0.93 0.44 32 You can use the Distribution Calculators page in SALT to find percentiles to answer parts of this question. (a) What is the standard error of the mean for the normal group? (Round your answer to four decimal places.) What is the standard error of the mean for the chronic airflow limitation group? (Round your answer to four decimal places.)
Pulmonary Disease The data in the table below concern the mean triceps skin-fold thickness in a group of normal men and a group of men with chronic airflow limitation. Group Mean sd n 1.36 0.56 40 Normal Chronic airflow limitation 0.93 0.44 32 You can use the Distribution Calculators page in SALT to find percentiles to answer parts of this question. (a) What is the standard error of the mean for the normal group? (Round your answer to four decimal places.) What is the standard error of the mean for the chronic airflow limitation group? (Round your answer to four decimal places.)
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
100%
The "Select" parts are both (Normal / Binomial / Poisson).
![Pulmonary Disease
The data in the table below concern the mean triceps skin-fold thickness in a group of normal men and a group of men with chronic airflow limitation.
Mean
sd n
Group
Normal
1.36
0.56 40
Chronic airflow limitation 0.93 0.44 32
You can use the Distribution Calculators page in SALT to find percentiles to answer parts of this question.
(a)
What is the standard error of the mean for the normal group? (Round your answer to four decimal places.)
What is the standard error of the mean for the chronic airflow limitation group? (Round your answer to four decimal places.)
(b) Assume that the central-limit theorem is applicable. What does it mean in this context? (Round your answers to four decimal places.)
with
It means that the distribution of mean triceps skin-fold thickness from repeated samples of size 40 drawn from the population of normal men can be considered to be ---Select--- ✓
and variance =
It also means that the distribution of mean triceps skin-fold thickness from repeated samples of size 32 drawn from the population of men
with chronic airflow limitation can be considered to be ---Select--- with mean =
and variance =
mean =
(c)
Find the upper 1st percentile of a t distribution with 15 df. (Round your answer to two decimal places.)
(d) Find the lower 10th percentile of a t distribution with 29 df. (Round your answer to two decimal places.)
(e) Find the upper 2.5th percentile of a t distribution with 8 df. (Round your answer to two decimal places.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8bd77666-f234-4ee2-a9e5-4b1eb2254025%2Fb9127e15-24ff-4321-9fcc-27cbd7d00234%2Fktx0zad_processed.png&w=3840&q=75)
Transcribed Image Text:Pulmonary Disease
The data in the table below concern the mean triceps skin-fold thickness in a group of normal men and a group of men with chronic airflow limitation.
Mean
sd n
Group
Normal
1.36
0.56 40
Chronic airflow limitation 0.93 0.44 32
You can use the Distribution Calculators page in SALT to find percentiles to answer parts of this question.
(a)
What is the standard error of the mean for the normal group? (Round your answer to four decimal places.)
What is the standard error of the mean for the chronic airflow limitation group? (Round your answer to four decimal places.)
(b) Assume that the central-limit theorem is applicable. What does it mean in this context? (Round your answers to four decimal places.)
with
It means that the distribution of mean triceps skin-fold thickness from repeated samples of size 40 drawn from the population of normal men can be considered to be ---Select--- ✓
and variance =
It also means that the distribution of mean triceps skin-fold thickness from repeated samples of size 32 drawn from the population of men
with chronic airflow limitation can be considered to be ---Select--- with mean =
and variance =
mean =
(c)
Find the upper 1st percentile of a t distribution with 15 df. (Round your answer to two decimal places.)
(d) Find the lower 10th percentile of a t distribution with 29 df. (Round your answer to two decimal places.)
(e) Find the upper 2.5th percentile of a t distribution with 8 df. (Round your answer to two decimal places.)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
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 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman