« 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 47 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?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

A revised animal phylogeny based on molecular data of SSU rRNA A revised animal phylogeny based on molecular data of SSU rRNA
2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
Dimensions for gathering data Dimensions for gathering data
Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress
An example of a Material Safety Data Sheet (MSDS). An example of a Material Safety Data Sheet (MSDS).
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 ...
Video: Introduction to Herpes

For a complete list of videos, visit our video library