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In: Statistics and Probability

An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and...

An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and unloading riders more efficiently. Two alternative loading/unloading methods have been proposed. To account for potential differences due to the type of ride and the possible interaction between the method of loading and unloading and the type of ride, a factorial experiment was designed. Use the following data to test for any significant effect due to the loading and unloading method, the type of ride, and interaction. Use . Factor A is method of loading and unloading; Factor B is the type of ride.


Type of Ride
Roller Coaster Screaming Demon Long Flume
Method 1 41 50 53
43 42 49
Method 2 48 51 50
50 47 46

Set up the ANOVA table (to whole number, but p-value to 2 decimals and F value to 1 decimal, if necessary).

Source of Variation Sum of Squares Degrees of Freedom Mean Square F p-value
Factor A
Factor B
Interaction
Error N/A
Total

Solutions

Expert Solution

From the given data,

Factor B
Roller Coaster Screaming Demon Long Flume Row Total
Factor A Method 1 Mean 42 46 51
Total 84 92 102 278
SS 2 32 8
Method 2 Mean 49 49 48
Total 98 98 96 292
SS 2 8 8
Col Total: 182 190 198 570

ANOVA Table;

ANOVA Table SS df MSS F-Ratio F-crit
SSbetween treatment 99.0000 5.0000 19.8000
SS row A 16.3333 1.0000 16.3333 1.6333 5.9874
SS col B 32.0000 2.0000 16.0000 1.6000 5.1433
SS row*col A*B 50.6667 2.0000 25.3333 2.5333 5.1433
Within treatment 60.0000 6.0000 10.0000
Total : 159.0000 11.0000

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