A survey of satisfaction amongst a random sample of TTC riders was conducted. The contingency table summarizes responses of satisfaction and age. age Not Satis 25-45 Over 45 Under 25 Total 212 208 satisfaction Satisfied Very Sati 130 56 134 320 78 54 66 Total 150 430 1,000 1. What percentage of riders were over 45? What percentage of riders were under 25 and satisfied? 2. What percentage of 25 to 45 year olds were very satisfied? What percentage of those satisfied were 25 to 457 3. What is the marginal relative frequency distribution of satisfaction? (hint: you don't need to draw it) 4. Using the conditional relative frequency of satisfaction indicate if satisfaction is independent of age (hint: you don't need to draw it)
A survey of satisfaction amongst a random sample of TTC riders was conducted. The contingency table summarizes responses of satisfaction and age. age Not Satis 25-45 Over 45 Under 25 Total 212 208 satisfaction Satisfied Very Sati 130 56 134 320 78 54 66 Total 150 430 1,000 1. What percentage of riders were over 45? What percentage of riders were under 25 and satisfied? 2. What percentage of 25 to 45 year olds were very satisfied? What percentage of those satisfied were 25 to 457 3. What is the marginal relative frequency distribution of satisfaction? (hint: you don't need to draw it) 4. Using the conditional relative frequency of satisfaction indicate if satisfaction is independent of age (hint: you don't need to draw it)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Transcribed Image Text:A survey of satisfaction amongst a random sample of TTC riders was conducted. The contingency table
summarizes responses of satisfaction and age.
age Not Satis
25-45
Over 45
Under 25
Total
212
208
satisfaction
Satisfied Very Sati
130
56
134
320
78
54
66
Total
150
430
1,000
1. What percentage of riders were over 45? What percentage of riders were under 25 and satisfied?
2. What percentage of 25 to 45 year olds were very satisfied? What percentage of those satisfied were 25
to 457
3. What is the marginal relative frequency distribution of satisfaction? (hint: you don't need to draw it)
4. Using the conditional relative frequency of satisfaction indicate if satisfaction is independent of age
(hint: you don't need to draw it)
Expert Solution
Step 1: Determining the solution.
Step by step
Solved in 3 steps with 2 images
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
