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2) The amount of time required to reach a customer service representative has a

ID: 3247984 • Letter: 2

Question

2) The amount of time required to reach a customer service representative has a huge impact on customer satisfaction. A study was conducted to see whether there is evidence of a difference in the mean amounts of time required to reach a customer service representative between two hotels. Assume that the population variances in the amount of time for the two hotels are not equal. The 95% confidence interval estimate for the difference in the two means is   -0.9543 1 - 2 1.3593. At this level of confidence, this indicates that with respect to amount of time required to reach a customer service representative:

A) There is no difference between the two hotels.

B)There is a difference between the two hotels with hotel one being slower than hotel two

C)There is a difference between the two hotels with hotel two being slower than hotel one

D)Not enough information to come to a conclusion

Explanation / Answer

The 95% confidence interval estimate for the difference in the two means is   -0.9543 1 - 2 1.3593.

The 95% confidence interval contains Zero.

That means we can say that There is no significant difference between the mean amounts of time of two hotels.