Author Question: We can smooth a time series using the method of moving averages, based on the idea that any large ... (Read 135 times)

abern

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We can smooth a time series using the method of moving averages, based on the idea that any large irregular component at any point in time will exert a smaller effect if we average the point with its immediate neighbors.
 
  Indicate whether the statement is true or false

Question 2

Which of the following conclusions can be drawn?
 
  A) Since the test statistics equals 1.58, reject the null hypothesis and conclude that class size does not equal 35 students.
  B) Since the test statistics equals 1.36, fail to reject the null hypothesis and conclude that there's insufficient evidence to conclude that class size does not equal 35 students.
  C) Since the test statistics equals 2.05, reject the null hypothesis and conclude that class size does not equal 35 students.
  D) Since the test statistics equals 2.26, fail to reject the null hypothesis and conclude that class size does equal 35 students.



fraziera112

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Answer to Question 1

TRUE

Answer to Question 2

B



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