Persons who visit the restroom of a certain fast-food outlet were asked to state their opinion of the quality of the restroom facilities, The following tables show the responses from a sample of 100 persons. Gender of Respondent Total Male Female Quality of Facilities Above average 8 7 15 Average 26 24 50 Below 7 28 35 Total 41 59 100 A ?2 test is carried out to determine whether there is an association between the gender of persons and their opinion. i) State appropriate null and alternative hypotheses ii) Determine the critical region of the test at the 1% level of significance iii) Calculate the expected value for Male and below average iv) For a test statistic of 9.825, explain with reason, the conclusion of your test
Persons who visit the restroom of a certain fast-food outlet were asked to state their opinion of the quality of the restroom facilities, The following tables show the responses from a sample of 100 persons. Gender of Respondent Total Male Female Quality of Facilities Above average 8 7 15 Average 26 24 50 Below 7 28 35 Total 41 59 100 A ?2 test is carried out to determine whether there is an association between the gender of persons and their opinion. i) State appropriate null and alternative hypotheses ii) Determine the critical region of the test at the 1% level of significance iii) Calculate the expected value for Male and below average iv) For a test statistic of 9.825, explain with reason, the conclusion of your test
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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Question
Persons who visit the restroom of a certain fast-food outlet were asked to state their opinion of the quality of the restroom facilities, The following tables show the responses from a sample of 100 persons.
|
|
|
Gender of Respondent |
Total |
|
|
Male |
Female |
|
||
|
Quality of Facilities |
Above average |
8 |
7 |
15 |
|
|
Average |
26 |
24 |
50 |
|
|
Below |
7 |
28 |
35 |
|
|
Total |
41 |
59 |
100 |
A ?2 test is carried out to determine whether there is an association between the gender of persons and their opinion.
i) State appropriate null and alternative hypotheses
ii) Determine the critical region of the test at the 1% level of significance
iii) Calculate the
iv) For a test statistic of 9.825, explain with reason, the conclusion of your test.
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