5. A study was carried out into how social media use may affect peoples level of fitness. A random sample of subjects were classified by how much time they reported spending on social media, ranging from none to Frequent, and an assessment of their fitness. The results are shown in the following table. None Occasional Some Use Frequent Unfit 23 25 16 19 Fit 27 26 23 23 Very Fit 26 23 18 8. Answer the following questions. (a) Show the calculations that must be done for any two cells when calculating the sample value of the test statistic Q shown here. (0,- E) = 5.90. E; Page 5 of 15 (b) Carry out an appropriate statistical test to determine whether there is a link between level of social media use and fitness.
5. A study was carried out into how social media use may affect peoples level of fitness. A random sample of subjects were classified by how much time they reported spending on social media, ranging from none to Frequent, and an assessment of their fitness. The results are shown in the following table. None Occasional Some Use Frequent Unfit 23 25 16 19 Fit 27 26 23 23 Very Fit 26 23 18 8. Answer the following questions. (a) Show the calculations that must be done for any two cells when calculating the sample value of the test statistic Q shown here. (0,- E) = 5.90. E; Page 5 of 15 (b) Carry out an appropriate statistical test to determine whether there is a link between level of social media use and fitness.
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
Hello, Could you please go through all of the following question. Thank you.
Transcribed Image Text:5. A study was carried out into how social media use may affect peoples level of
fitness. A random sample of subjects were classified by how much time they
reported spending on social media, ranging from none to Frequent, and an
assessment of their fitness. The results are shown in the following table.
None
Occasional
Some Use
Frequent
Unfit
23
25
16
19
Fit
27
26
23
23
Very Fit
26
23
18
8.
Answer the following questions.
(a) Show the calculations that must be done for any two cells when calculating
the sample value of the test statistic Q shown here.
(0,- E.)
E
=5.90.
Page 5 of 15
(b) Carry out an appropriate statistical test to determine whether there is a link
between level of social media use and fitness.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 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