Author Question: The mean equals 100. One individual scores at the 20th percentile and has a raw score of 85. What is ... (Read 77 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
The mean equals 100. One individual scores at the 20th percentile and has a raw score of 85. What is the standard deviation?
 
  What will be an ideal response?

Question 2

When a psychologist rejects the null hypothesis at the .05 level, the results of a study indicate that
 
  A) there is less than a 5 chance of getting such an extreme result if the null hypothesis is true.
  B) there is more than a 5 chance of getting such an extreme result if the null hypothesis is true.
  C) there is a 5 chance that the research hypothesis is true.
  D) there is a 95 chance that the research hypothesis is true.



Tonny

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

SD= 17.86

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

For a complete list of videos, visit our video library