Discussion:
Q: A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Use α = 0.05
Research question: Does vehicle type vary by mall location?
Vehicle Type Somerset Oakland Great Lakes Jamestown Total
Car 44 49 36 64 193
Minivan 21 15 18 13 67
Full-size 2 3 3 2 10
SUV 19 27 26 12 84
Truck 14 6 17 9 46
Total 100 100 100 100 400
A. Choose the Hypothesis
Ho:
H1:
B. Specify the Decision Rule
C. Calculate the Test Statistic
D. Make the Decision
E. Give an interpretation of the Decision
F. P-value Method
1. Calculate the P-value, what is it?
2. Does that P-value support the Decision in Part D?