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. The Excel Online file below contains the sample data for 500 owners who had recently purchased an automobile. Construct a spreadsheet to answer the following questions.

Observed Frequency Table

Education
Quality Rating Some HS HSGrad SomeCollege CollegeGrad Total
Average 23 21 31 60 135
Outstanding 52 50 45 88 235
Exceptional 25 29 24 52 130
Total 100 100 100 200 500

Expected Frequency Table

Education
Quality Rating SomeHS HSGrad SomeCollege CollegeGrade Total
Average 27 27 27 81
Outstanding 47 47 94
Exceptional 26 26 52
Total 100 100 27 0 227

a. Use a .05 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 p-value is ????? (to 4 decimals).

What is your conclusion?

Cannot conclude 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: 27% (to whole number)

Outstanding: 47% (to whole number)

Exceptional: 26% (to whole number)

New owners appear to be satisfied with the recent purchase of their automobile. 73% (to whole number) of owners rated their automobile as Outstanding or Exceptional.

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related 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. 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. 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...
Based on an online survey done recently, the company asked a variety of questions regarding internet...
Based on an online survey done recently, the company asked a variety of questions regarding internet and email practices of a randomly selected sample size of 750 people aged 18 to 25 and 250 people that are over 65 years of age. In response to the question about whether the person has ever clicked on a link in an unsolicited email to get more information, 32% of the young people and 25% of the older folks said yes. Are these...
Based on an online survey done recently, the company asked a variety of questions regarding internet...
Based on an online survey done recently, the company asked a variety of questions regarding internet and email practices of a randomly selected sample size of 750 people aged 18 to 25 and 250 people that are over 65 years of age. In response to the question about whether the person has ever clicked on a link in an unsolicited email to get more information, 32% of the young people and 25% of the older folks said yes. Are these...
A 2010 survey by a reputable automotive website found that 62​% of vehicle owners avoided automotive...
A 2010 survey by a reputable automotive website found that 62​% of vehicle owners avoided automotive maintenance and repairs. Suppose a company would like to perform a hypothesis test to challenge this finding. From a random sample of 150 vehicle​ owners, it was found that 103 avoid maintenance repairs. Using alpha equals 0.05​, complete a-c below, a.) What is the critical value(s)? b.) What is the test statistic? c.) What is the p-value?
An apartment complex surveyed its tenants and asked a variety of questions about their living arrangements....
An apartment complex surveyed its tenants and asked a variety of questions about their living arrangements. One question asked for the renter’s marital status using categorical responses of single, married, divorced, and widowed. Another question asked for the renter’s pet ownership with the categorical Dog, Cat, both (cat and dog) and none (neither cat nor dog). Methods: Explicitly state and conduct the appropriate hypothesis test to determine if there is any relationship between pet ownership and marital status? (All steps...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT