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Author Question: If we are testing for the difference between the means of two independent populations with equal ... (Read 129 times)

Sportsfan2111

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on: Jun 24, 2018
If we are testing for the difference between the means of two independent populations with equal variances, samples of n1 = 15 and n2 = 15 are taken, then the number of degrees of freedom is equal to
 a. 13 c. 28
  b. 14 d. 29

Question 2

Random variation is one of the four different components of a time series. It is caused by irregular and unpredictable changes in a time series that are not caused by any other component. It tends to mask the existence of the other more predictable components.
  Indicate whether the statement is true or false


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Tabitha_2016

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

C

Answer to Question 2

T


Sportsfan2111

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

parshano

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Reply 3 on: Yesterday
Excellent

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