Author Question: Which of the following is a measure of dispersion? a. variance c. standard error of the mean b. ... (Read 150 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
Which of the following is a measure of dispersion?
 
  a. variance c. standard error of the mean
  b. standard deviation d. all of these

Question 2

The _____ formula is used to calculate the variance.
 
  a. secret c. compound
  b. definitional d. calculational



Ksanderson1296

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

D
All of these are measures of dispersion.

Answer to Question 2

D
The calculational formula uses raw scores, the mean, and the number of scores to calculate the variance.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library