« previous next »

Author Question: If a set of scores has a mean of 45 and a standard deviation of 9, then the scores have a variance ... (Read 53 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jun 19, 2018
If a set of scores has a mean of 45 and a standard deviation of 9, then the scores have a variance of ____.
 
  a. 3
 b. 4.5
  c. 18
 d. 81

Question 2

Under what circumstances should the last names of all authors of a reference with six or more authors be included with the citation in the body of the text?
 
  a. always
 b. never
 c. the first time the citation occurs
  d. only if necessary to distinguish it from other references


Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jun 19, 2018
Answer to Question 1

d

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
. In which distribution is the mean more “typical” of all scores? . In which distribution is the mean more “typical” of all scores?
Standard base-pairing relationships Standard base-pairing relationships
Standard Electrode Potentials at 25 Degrees Standard Electrode Potentials at 25 Degrees
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library