Question 183152: Hi,
Can you please help me solve for this, Doane−Seward: Applied Statistics in Business and Economics, ch. 15:
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = .05, does vehicle type vary by mall location? (Data are from a project by MBA students Steve Bennett, Alicia Morais, Steve Olson, and Greg Corda.)
Vehicle Type Somerset Oakland Great Lakes Jamestown Row Total
Car 44 49 36 64 193
Minivan 21 15 18 13 67
Full-sized Van 2 3 3 2 10
SUV 19 27 26 12 84
Truck 14 6 17 9 46
Col Total 100 100 100 100 400
(This format is cramming the numbers together to make it easier to read - Vehicle type: Car, Somerset: 44, Oakland: 49, Great Lakes: 36, Jamestown: 64, Row Total: 193.)
Thank you
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Can you please help me solve for this, Doane−Seward: Applied Statistics in Business and Economics, ch. 15:
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = .05, does vehicle type vary by mall location? (Data are from a project by MBA students Steve Bennett, Alicia Morais, Steve Olson, and Greg Corda.)
Vehicle Type Somerset Oakland Great Lakes Jamestown Row Total
Car 44 49 36 64 193
Minivan 21 15 18 13 67
Full-sized Van 2 3 3 2 10
SUV 19 27 26 12 84
Truck 14 6 17 9 46
Col Total 100 100 100 100 400
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Ho: The row and column factors are independent.
Ha: They are related (dependent)
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Run a Chi-Sq Test on the 5 by 4 data set to get:
Test Statistic: Chi-Sq = 24.53
p-value = 0.01721
df=(5-1)(4-1) = 12
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Conclusion: Since p-value is less than 5%, reject Ho
The row and column factors are dependent.
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Cheers,
Stan H.
(This format is cramming the numbers together to make it easier to read - Vehicle type: Car, Somerset: 44, Oakland: 49, Great Lakes: 36, Jamestown: 64, Row Total: 193.)
Thank you
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