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Author Question: In testing the difference between two population means for which the population variances are ... (Read 117 times)

awywial

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on: Jun 24, 2018
In testing the difference between two population means for which the population variances are unknown and not assumed to be equal, two independent samples are drawn from the populations. Which of the following tests is appropriate?
 a. z-test c. unequal variances t-test
  b. pooled-variances t-test d. None of these choices.

Question 2

We calculate the three-period moving average for a time series for all time periods except the first period.
  Indicate whether the statement is true or false


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Benayers

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Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

F


awywial

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Reply 2 on: Jun 24, 2018
Wow, this really help

recede

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Reply 3 on: Yesterday
Excellent

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