Chapter 11 Question 5 A Sports Club is a haven For fitness lovers of all ages Offering a range of sports To cater to all stages. The manager got curious one day Does age affect the choice of sport they play? He collected the data on all the 800 members To create a chart by age, And to conduct a test of independence It can take many a page! With a 95% confidence level, provide him with a solution To his quandary about the age-sports relation! Observed Frequencies Sport 18-25 26-30 31-40 41+ racquetball 52 55 36 27 tennis 65 63 38 45 swimming 70 60 54 47 badminton 44 52 52 40
Chapter 11 Question 5 A Sports Club is a haven For fitness lovers of all ages Offering a range of sports To cater to all stages. The manager got curious one day Does age affect the choice of sport they play? He collected the data on all the 800 members To create a chart by age, And to conduct a test of independence It can take many a page! With a 95% confidence level, provide him with a solution To his quandary about the age-sports relation! Observed Frequencies Sport 18-25 26-30 31-40 41+ racquetball 52 55 36 27 tennis 65 63 38 45 swimming 70 60 54 47 badminton 44 52 52 40
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Chapter 11 Question 5
A Sports Club is a haven
For fitness lovers of all ages
Offering a
To cater to all stages.
The manager got curious one day
Does age affect the choice of sport they play?
He collected the data on all the 800 members
To create a chart by age,
And to conduct a test of independence
It can take many a page!
With a 95% confidence level, provide him with a solution
To his quandary about the age-sports relation!
Observed Frequencies | ||||
Sport | 18-25 | 26-30 | 31-40 | 41+ |
racquetball | 52 | 55 | 36 | 27 |
tennis | 65 | 63 | 38 | 45 |
swimming | 70 | 60 | 54 | 47 |
badminton | 44 | 52 | 52 | 40 |
HINT: This is a Chi-squared test of independence.
Fill in the following blanks:
- a. The value of the test-statistic is
- b. The critical value of the Chi-squared is
- c. We can reject the Ho at alpha = 0.05. Answer "True" or "False":
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