This topic contains a solution. Click here to go to the answer

Author Question: The distinction between the average deviation and the variance is A) The average deviation is the ... (Read 122 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
The distinction between the average deviation and the variance is
 
  A) The average deviation is the square root of the variance.
  B) The average deviation is the average distance each score is from the mean, whereas the variance in the average squared distance each score is from the mean.
  C) The average deviation is the square of the variance.
  D) The variance is the square of the standard deviation, which is equal to .707 times the average deviation.

Question 2

In computing the variance, if we merely added up all the deviations from the mean without first squaring them, the average deviation from the mean would be
 
  A) 1.0, no matter how variable the scores were.
  B) 1.0, if the scores had a large variance.
  C) 0.0, if the scores had a small variance.
  D) 0.0, no matter how variable the scores were.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D




nelaaney

  • Member
  • Posts: 560
Reply 2 on: Aug 4, 2018
Thanks for the timely response, appreciate it


Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library