Question

Q. 2 The accounts of a corporation show that, on average, accounts payable are $125.32. An auditor checked a random sample of 16 of these accounts. The sample mean was $131.78 and the sample standard deviation was $25.41. Assume that the population distribution is normal. Test at the 5% significance level against a two-sided alternative the null hypothesis that the population mean is $125.32.

a. State the null and the alternative hypothesis and comment whether it’s a one tail or two tail test? If one tail then right or left tail test? (write your answer exactly as one tail right tail test/ one tail left tail test/ two tail test)

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b. Identify the critical value. Ans in three decimal places.

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c. What is the calculated value? Ans in two decimal places.

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d. Write the decision rule and identify whether the condition holds. (write answer exactly as condition holds/ condition does not hold).

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e. Give final decision. (write answer exactly as reject null/ do not reject null)

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Answer 1

Answer:

personal interview

Explanation:

the method of collection of data in which reactions can be watched is