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In: Math
A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile. One question asked for the owner’s rating of the vehicle using categorical responses of average, outstanding, and exceptional. Another question asked for the owner’s education level with the categorical responses some high school, high school graduate, some college, and college graduate. Assume the sample data below are for owners who had recently purchased an automobile.
| Education | ||||
| Quality Rating | Some HS | HS Grad | Some College | College Grad |
|---|---|---|---|---|
| Average | 30 | 25 | 25 | 60 |
| Outstanding | 50 | 50 | 45 | 90 |
| Exceptional | 20 | 25 | 30 | 50 |
a. Use a level of significance and a test of independence to determine if a new owner's vehicle quality rating is independent of the owner's education.
Compute the value of the test statistic (to 2 decimals).
The -value is - Select your answer -between .01 and .025between .025 and .05between .05 and .10greater than .10less than .01Item 2
What is your conclusion?
- Select your answer -Cannot concludeConcludeItem 3 that the quality rating is not independent of the education of the owner.
b. Use the overall percentage of average, outstanding, and exceptional ratings to comment upon how new owners rate the quality of their recently purchased automobiles.
| Average | |
| Outstanding | |
| Exceptional |
New owners - Select your answer -do not appearappearItem 7 to be satisfied with the recent purchase of their automobile. of owners rated their automobile as Outstanding or Exceptional.
Solutions
Expert Solution
b)
| Quality Rating | Some HS | HS Grad | Some College | College Grad | Total | % |
| Average | 30 | 25 | 25 | 60 | 140 | 28% |
| Outstanding | 50 | 50 | 45 | 90 | 235 | 47% |
| Exceptional | 20 | 25 | 30 | 50 | 125 | 25% |
| 500 |
appear to be satisfied with the recent purchase of their automobile.
% of owners rated their automobile as Outstanding or Exceptional. = 47% + 25% = 72%
milcah answered 1 year agoRelated Solutions
A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
A vehicle quality survey asked new owners a variety of questions
about their recently purchased automobile. One question asked for
the owner’s rating of the vehicle using categorical responses of
average, outstanding, and exceptional. Another question asked for
the owner’s education level with the categorical responses some
high school, high school graduate, some college, and college
graduate. Assume the sample data below are for 500 owners who had
recently purchased an automobile.
Education
Quality Rating
Some HS
HS Grad
Some...
A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
A vehicle quality survey asked new owners a variety of questions
about their recently purchased automobile. One question asked for
the owner’s rating of the vehicle using categorical responses of
average, outstanding, and exceptional. Another question asked for
the owner’s education level with the categorical responses some
high school, high school graduate, some college, and college
graduate. Assume the sample data below are for owners
who had recently purchased an automobile.
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Quality Rating
Some HS
HS Grad
Some College
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A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
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A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
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about their recently purchased automobile. One question asked for
the owner’s rating of the vehicle using categorical responses of
average, outstanding, and exceptional. Another question asked for
the owner’s education level with the categorical responses some
high school, high school graduate, some college, and college
graduate. Assume the sample data below are for owners
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Some College
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A vehicle quality survey asked new owners a variety of questions about their recently purchased automobile....
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about their recently purchased automobile. One question asked for
the owner’s rating of the vehicle using categorical responses of
average, outstanding, and exceptional. Another question asked for
the owner’s education level with the categorical responses some
high school, high school graduate, some college, and college
graduate. Assume the sample data below are for 500 owners who had
recently purchased an automobile.
Education
Quality
Rating
Some HS
HS Grad
Some...
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