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 72 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?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Dish from Ecuador called "Cuy" Dish from Ecuador called "Cuy"
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
How to derive the quadratic formula How to derive the quadratic formula
Student Test Scores versus GDP per Capita Student Test Scores versus GDP per Capita
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library