Author Question: In a sampling distribution of the mean, approximately _____ percent of the sample means will be ... (Read 261 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
In a sampling distribution of the mean, approximately _____ percent of the sample means
  will be contained within the interval of two standard errors above and below the
  population mean.
 
  a. 34
  b. 68
   c. 95
  d. over 99

Question 2

The sum of the deviations about the mean must equal _____ .
 
  a. zero
  b. 1.0
  c. -1.0 or +1.0
  d. a value that varies with the number of scores



HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

For a complete list of videos, visit our video library