In: Statistics and Probability
A random sample of 250 Washington residents who had recently
visited a car dealership were asked...
- A random sample of 250 Washington residents who had recently
visited a car dealership were asked which type of vehicle they were
most likely to purchase, with the summarized results shown.
Research question: At the 10% level of significance, is
the choice of vehicle type independent of the buyer’s age? (15
points)
|
Buyer’s Age
|
|
Politics
|
Under 30
|
30 < 50
|
50 and Over
|
Row Total
|
Diesel
|
6
|
12
|
16
|
34
|
Gasoline
|
14
|
32
|
50
|
96
|
Hybrid
|
25
|
25
|
25
|
75
|
Electric
|
15
|
15
|
15
|
45
|
Col Total
|
60
|
84
|
106
|
250
|
- At the 0.10 level of significance, completely analyze the data.
State your hypotheses and show all 7 steps clearly. Be sure to
write a conclusion that clearly and completely addresses the
research question. (12 points)
- Attach or include your Minitab output. (3 points)