« previous next »

Author Question: If one calculates r for raw scores, and then calculates r on the z scores of the same data, the ... (Read 16 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Zonal wind speeds on Uranus. Shaded areas show the southern collar and its future northern counterpa Zonal wind speeds on Uranus. Shaded areas show the southern collar and its future northern counterpa
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ... 4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
Fluidization - Data Table of experiment Fluidization - Data Table of experiment
Video: Sigmoidoscopy

For a complete list of videos, visit our video library