15.18 64 students were asked how many credits they had earned incollege and how

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15.18 64 students were asked how many credits they had earned incollege and how certain they were about their major choice.Research question: At a =.01, is the degree of certaintyindependent of credits earned? Credits earned     veryuncertain     somewhatcertain     very certain    rowtotal 0-9                           12                           8                           3            23 10-59                        8                           4                         10            22 60 ormore                  1                           7                         11           19 ColTotal                   21                         19                         24            64 15.22 A student team examined parked cars in four different shoppingareas. 100 vehicles were examined. At a = .05, does each vehiclevary by mail location? Vehicletype      Somerset      Oakland      GreatLakes      Janestown      Rowtotal Car                        44               49               36                     64                  193 Minivan                  21               15               18                     13                    67 Full sizedminivan      2                  3               3                        2                     10    Suv                         19               27               26                     12                     84   Truck                      14               6                  17                     9                     46 ColTotal                  100            100               100                  100                  400 15.18 64 students were asked how many credits they had earned incollege and how certain they were about their major choice.Research question: At a =.01, is the degree of certaintyindependent of credits earned? Credits earned     veryuncertain     somewhatcertain     very certain    rowtotal 0-9                           12                           8                           3            23 10-59                        8                           4                         10            22 60 ormore                  1                           7                         11           19 ColTotal                   21                         19                         24            64 15.22 A student team examined parked cars in four different shoppingareas. 100 vehicles were examined. At a = .05, does each vehiclevary by mail location? Vehicletype      Somerset      Oakland      GreatLakes      Janestown      Rowtotal Car                        44               49               36                     64                  193 Minivan                  21               15               18                     13                    67 Full sizedminivan      2                  3               3                        2                     10    Suv                         19               27               26                     12                     84   Truck                      14               6                  17                     9                     46 ColTotal                  100            100               100                  100                  400

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15.18 64 students were asked how many credits they had earned incollege and how

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