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

Author Question: Measures of variability describe the A. spread of scores in a distribution B. central tendency ... (Read 84 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 22, 2018
Measures of variability describe the
 
  A. spread of scores in a distribution
  B. central tendency of a distribution of scores
  C. reliability of an assessment instrument
  D. validity of an assessment instrument

Question 2

In a normal distribution, represented by a bell-shaped curve, the largest percentage of scores falls between
 
  A. 0 and 1 standard deviation from the mean
  B. 1 and 2 standard deviations from the mean
  C. 2 and 3 standard deviations from the mean
  D. 3 and 4 standard deviations from the mean
  E. unknown; it is impossible to determine from the information presented


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

A


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Distribution of Neandertal sites in Europe and western Asia. Distribution of Neandertal sites in Europe and western Asia.
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
The United States in the Caribbean and Central America The United States in the Caribbean and Central America
Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ... Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ...
Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ... Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ...
Normal frequency distribution, characterized by a bell-shaped curve Normal frequency distribution, characterized by a bell-shaped curve
Video: Eczema

For a complete list of videos, visit our video library