This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The prediction of Y from Variable X would be least accurate when the correlation between X and Y is ... (Read 75 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
The prediction of Y from Variable X would be least accurate when the correlation between X and Y is
 
  a. 75.
  b. .95.
  c. .99.
  d. .80.
  e. 1.00.

Question 2

A researcher investigated the effect of aerobic exercise on depression. He randomly assigned subjects previously identified as depressed to one of three groups. Choose the correct group for each question. Which is the comparison group?
 
  a. aerobic exercises five days per week c. no aerobic exercise.
  b. aerobic exercises three days per week


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kilada

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


FButt

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Gracias!

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Summation of Heart Sounds, Variable S1 Summation of Heart Sounds, Variable S1
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
How to rearrange formulas to isolate for a variable How to rearrange formulas to isolate for a variable
How to rearrange formulas to isolate for a variable (Part 2) How to rearrange formulas to isolate for a variable (Part 2)
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library