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Multiple chioce question for statistics

Using a three-month moving average, the forecast value for October made at the end of September in the following time series would be?

Question 14
Concerning the Express Delivery, Inc. problem statement, what is the value of the test statistic?
Solution:
Z = (50-48)/(4.9/sqrt(37)) = 2.482760216
2.18
2.48
2.68
-2.18
-2.48
None of the above is the correct answer.
Question 15
Concerning the Express Delivery, Inc. problem statement, ASSUMING that null hypothesis should be rejected, what statement can be made concerning the validity of claim made by Express Delivery, Inc.?
No conclusion can be drawn.
There is not enough information to answer this question.
The claim is not valid.
The claim is valid.
None of the above is the correct answer.

Please see attached for multiple choice homework, there are 67 questions.

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Solution Summary

This solution is comprised of a detailed explanation of the answers of 67 multiple chioce questions.

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