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 75 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 use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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.

Range of Motion of the Wrist and Hand Joints, Radial and Ulnar Deviation of the Wrist Range of Motion of the Wrist and Hand Joints, Radial and Ulnar Deviation of the Wrist
Iowa Gambling Task Scores Across Age Iowa Gambling Task Scores Across Age
ROM exercises on a patient’s wrist: ulnar deviation. ROM exercises on a patient’s wrist: ulnar deviation.
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
Exterior View of Tholos, The So-called Treasury of Atreus Exterior View of Tholos, The So-called Treasury of Atreus
molecular formula molecular formula
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

For a complete list of videos, visit our video library