This topic contains a solution. Click here to go to the answer

Author Question: The researchers then wanted to assess the test for validity, and so each subject was given the ... (Read 86 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
The researchers then wanted to assess the test for validity, and so each
  subject was given the WAIS-R IQ test and their Test (not the retest) scores
  were compared with their WAIS-R IQ scores.
 
  Subject  Brain Scaled Score WAIS-R IQ
   1. 50 100
   2. 60 115
   3. 65 120
   4. 40 96
   5. 35 100
   6. 40 85
   7. 60 115
   8. 55 105
   9. 50 103
   10. 45 90
   11. 52 120
   12. 48 105
   13. 51 110
   14. 49 95
   15. 50 100
   16. 50 100
   17. 37 95
   18. 63 112
   19. 50 100
   20. 50 100
 
  What is the Pearson correlation between the two sets of test scores?
 
 
 What will be an ideal response?

Question 2

With very small sample sizes, the estimated standard deviation of the population yields a slightly higher value than does the true standard deviation of the sample.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

r=.771

Answer to Question 2

T





 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library