This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why is the variance preferred over the range or semi-interquartile range? a. The variance is ... (Read 42 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
on: Jun 20, 2018
Why is the variance preferred over the range or semi-interquartile range?
 
  a. The variance is always smaller than range measures.
  b. The variance has better mathematical properties.
  c. The range measures don't account for extreme scores properly.
  d. The range measures are more accurate than reliable.

Question 2

Why is the median a better indicator of central tendency for skewed data sets than the mean or mode?
 
  a. The mean over-corrects for variation.
  b. The mode will look too large.
  c. The median will not be as affected by the skewing.
  d. The mean will always be larger than the median.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

c


hubes95

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jun 20, 2018
Thank you


TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

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

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Range of Motion of the Cervical Spine, Flexion, Hyperextension Range of Motion of the Cervical Spine, Flexion, Hyperextension
Range of Motion of the Shoulder Joint, Forward Flexion, Hyperextension Range of Motion of the Shoulder Joint, Forward Flexion, Hyperextension
Newborns have a preferred head and arm orientation. Newborns have a preferred head and arm orientation.
Long-range forecasts Long-range forecasts
Normal Faulting – Basin and Range Province Normal Faulting – Basin and Range Province
Samples from the range of continuous variation in human eye color. Different alleles of more than on Samples from the range of continuous variation in human eye color. Different alleles of more than on
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library