Question
In: Statistics and Probability
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 | 35 | 30 | 20 | 60 |
| Outstanding | 50 | 50 | 55 | 90 |
| Exceptional | 15 | 20 | 25 | 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
orchestra 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.
Education
Quality Rating
Some HS
HS Grad
Some College
College...
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. The Excel Online file below contains the sample data for
500 owners who had recently purchased an automobile. Construct a
spreadsheet to answer...
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.
Education
Quality
Rating
Some HS
HS Grad
Some College
College...
Chi Square Test of Independence A vehicle quality survey asked new owners a variety of questions...
Chi Square Test of Independence A vehicle quality survey asked
new owners a variety of questions about their recently purchased
cars. One questions 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, college graduate, and university graduate. Assume the
sample data below are for 500 owners who had recently purchased a
car.
Education
Quality Rating...
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Suppose a company would like to perform a hypothesis test to
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