Author Question: We can smooth a time series using the method of moving averages, based on the idea that any large ... (Read 137 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?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library