Author Question: If the standard deviation of the score on this test is zero, we should conclude a. nobody ... (Read 80 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
If the standard deviation of the score on this test is zero, we should conclude
 
  a. nobody received even one question correct.
  b. half the scores were below the mean.
  c. half the scores were above the mean.
  d. a computational error was made.
  e. everybody received the same score.

Question 2

If you could have one wish granted concerning this test, you should choose a score
 
  a. above the mean.
  b. above both the mean and the median.
  c. equal to the first quartile.
  d. equal to a z-score of +1.5.
  e. equal to a T-score of 55.



joshraies

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

E

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library