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A local bank claims that the waiting time for its customers to be served is the lowest in the area. A CEO at a competitor's
A local bank claims that the waiting time for its customers to be served is the lowest in the area. A CEO at a competitor's bank checks the waiting times at both banks. The sample statistics are listed below. Test the local bank's claim at a = 0.02 Local bank Competitor's bank x =5.3 min x =5.6 min 5 - 1.1 min 5 - 1.0 min 7 -15 n =16 SHOW ALL WORK - USE CALCULATOR FOR COMPUTATION ONLY ROUND all values to 4 digits after decimal point a) assuming that pop variances are equal b) assuming that pop variances are not equal 1) 1) 2) 2) 3) 3) 4) 4) 7)1. H : H : 2. a = 3. Calculate the test statistic 4. Draw the picture and find the p - value 5. compare p and or 6. make a decision 7. write your conclusion
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