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Author Question: The expected value of the difference of two sample means equals the difference of the corresponding ... (Read 67 times)

BrownTown3

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on: Jun 24, 2018
The expected value of the difference of two sample means equals the difference of the corresponding population means when:
 a. the populations are normally distributed.
  b. the samples are independent.
  c. the populations are approximately normal and the sample sizes are large.
  d. All of these choices are true.

Question 2

The effect that business recessions and prosperity have on time series values is an example of the disaster component of a time series.
  Indicate whether the statement is true or false


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bblaney

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

D

Answer to Question 2

F


BrownTown3

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Reply 2 on: Jun 24, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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