# SOLUTION: A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At &#945; = .05, does vehicle

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At &#945; = .05, does vehicle      Log On

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 Question 286404: 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? 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 Answer by stanbon(57246)   (Show Source): You can put this solution on YOUR website!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? 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 ------------ Enter the 5 by 4 set of data into a matrix and run a Chi-Sq Test on it. I used a TI calculator and got the following: Ho: Row and Column factors are Independent Ha: they are dependent --- Test Statistic: Chi-Sq = 24.532 p-value: 0.0172.. ----------- Since the p-value is less than 5%, reject Ho. Row and column factors are dependent Cheers, Stan H.