Author Question: The difference between z scores and standard scores is that a. z scores can never be negative, ... (Read 86 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
The difference between z scores and standard scores is that
 
  a. z scores can never be negative, whereas standard deviation scores always
   are
   b. z scores can only be calculated with reference to the mean, whereas
   standard scores relate to the median
   c. z scores can only be calculated with reference to the standard deviation,
   whereas standard scores relate to the variance
   d. none of these, since z scores are standard scores

Question 2

The percentage values on the z score table are only valid when
 
  a. the z scores are positive
  b. the raw score mean equals 50
  c. the raw score mean is greater than 50
  d. the distribution is normal



leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

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?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library