Author Question: Scores on a test range from 16 to 80, with a mean of 50 and a standard deviation of 10. If a ... (Read 87 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
Scores on a test range from 16 to 80, with a mean of 50 and a standard deviation of 10. If a particular participant scored 65 on the test, his z-score would be
 
  a. .65
  b. 15.0
  c. -15.0
  d. 1.5
  e. the z-score cannot be calculated from this information

Question 2

John has a z-score of -2.8, whereas Mary has a z-score of + 1.9. Whose score is more extreme?
 
  a. John's
  b. Mary's
  c. they are equally extreme
  d. neither score is extreme
  e. this cannot be determined from the information given



briezy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library