Author Question: We can smooth a time series using the method of moving averages, based on the idea that any large ... (Read 102 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?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library