(A)Given the Information Above,what Is and for This

question 49

Essay

(A)Given the information above,what is and for this comparison? Also,does this represent a one-tailed or a two-tailed test? Explain your answer.
(B)What are the degrees of freedom for the t-statistic in this calculation? Explain how you would calculate the degrees of freedom in this case.
(C)What is the assumption in this case that allows you to use the pooled standard deviation for this test?
(D)Using a 5% level of significance,is there sufficient evidence for Q-Mart to conclude that customers who use the Q-Mart card charge,on average,more than those who use another charge card? Explain your answer.
(E)Using a 1% level of significance,is there sufficient evidence for Q-Mart to conclude that customers who use the Q-Mart card charge,on average,more than those who use another charge card? Explain your answer.

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Definitions:

Accrual

The accounting method that records revenues and expenses when they are incurred, regardless of when cash transactions occur.

Onerous Contracts

Contracts in which the unavoidable costs of meeting the obligations exceed the economic benefits expected to be received under it.

Accruals

Accounting method that records revenues and expenses when they are earned or incurred, regardless of when cash transactions occur, reflecting the economic activity more accurately.

Employee Benefits

All forms of consideration given by an entity in exchange for service rendered by employees or for the termination of employment.