Author Question: We can smooth a time series using the method of moving averages, based on the idea that any large ... (Read 127 times)

abern

  • Hero Member
  • *****
  • Posts: 533
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

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library