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

Author Question: S2 = X2 - (X)2 / N N The above formula is called the A) sum of the squared deviation scores B) ... (Read 63 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jun 20, 2018
S2 = X2 - (X)2 / N
  N
  The above formula is called the
 
  A) sum of the squared deviation scores
  B) formula to calculate the mean
  C) deviation score formula for variance
  D) raw score formula to calculate the variance

Question 2

For a set of scores on an exam, the standard deviation is calculated by
 
  A) adding up all scores and dividing this sum by the number of scores
  B) taking the square root of the variance of the scores
  C) multiplying the mean of the scores with the variance of the scores
  D) dividing the variance of the scores by 2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

batool

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


NguyenJ

  • Hero Member
  • *****
  • Posts: 516
Reply #2 on: Jun 20, 2018
Thank you


batool

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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?

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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b
Corbel Vault, Interior of Tholos, The So-called Treasury of Atreus Corbel Vault, Interior of Tholos, The So-called Treasury of Atreus
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ... Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ...
Video: Kidney Stones

For a complete list of videos, visit our video library