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Author Question: When s is used to estimate , the margin of error is computed by using the a. normal distribution. ... (Read 127 times)

rmenurse

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When s is used to estimate , the margin of error is computed by using the
 a. normal distribution.
   b. t distribution.
   c. mean of the sample.
   d. mean of the population.

Question 2

A method that uses a weighted average of past values for arriving at smoothed time series values is known as
 a. a smoothing average.
  b. a moving average.
  c. additive approach.
  d. exponential smoothing.



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JYan

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Answer to Question 1

b

Answer to Question 2

d




rmenurse

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Reply 2 on: Jun 24, 2018
:D TYSM


bigsis44

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Reply 3 on: Yesterday
Excellent

 

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