Author Question: With an SD of 90, a raw score of 550 is at the 71st percentile, Find the mean of the raw score ... (Read 72 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
With an SD of 90, a raw score of 550 is at the 71st percentile, Find the mean of the raw score distribution.
 
  What will be an ideal response?

Question 2

When the standard deviation has a negative value, then
 
  a. most scores were above the mean
  b. most scores were below the mean
  c. the distribution is badly skewed
  d. none of these, since the standard deviation can never be negative



milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

M=500.50

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

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

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library