Author Question: If one calculates r for raw scores, and then calculates r on the z scores of the same data, the ... (Read 56 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
If one calculates r for raw scores, and then calculates r on the z scores of the same data, the value of r will _______.
 
  a. stay the same c. increase
  b. decrease d. equal 1.00

Question 2

You have conducted a brilliant study which correlates IQ score with income and find a value of r = 0.75 . At the end of the study you find out all the IQ scores were scored 10 points too high. What will the value of r be with the corrected data?
 
  a. r will be increased c. r will remain the same
  b. r will be decreased d. cannot be determined



Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

For a complete list of videos, visit our video library