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 68 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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

For a complete list of videos, visit our video library