Essay
A study was made to determine which taxi company gave quicker service.Companies A and B were each called at 50 randomly selected times.The response times were recorded.The results are as follows. 
At the 0.02 level of significance,test the claim that the two companies have different mean response times.
Correct Answer:
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H0: μ1 - μ2 = 0 HA: μ1 - μ2 ≠ 0
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Correct Answer:
Verified
Test statistic ...
View Answer
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