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 102 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?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Range of Motion of the Elbow Joint, Supination, Pronation Range of Motion of the Elbow Joint, Supination, Pronation
Range of Motion of the Spine, Flexion and Hyperextension Range of Motion of the Spine, Flexion and Hyperextension
Multiple-dose drug administration: drug A and drug B are administered every 12 hours; drug B reaches Multiple-dose drug administration: drug A and drug B are administered every 12 hours; drug B reaches
How to determine the interquartile range How to determine the interquartile range
A $50 000 bond bearing interest at 6.5% bond payable semi-annually matures in 10 years. If it ... A $50 000 bond bearing interest at 6.5% bond payable semi-annually matures in 10 years. If it ...
Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library