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

Author Question: One use of a regression equation is to increase the accuracy of predicting Y scores. What determines ... (Read 91 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Jun 20, 2018
One use of a regression equation is to increase the accuracy of predicting Y scores. What determines the proportion of the variability in the Y scores that is predicted by the regression equation?
 
  A) r2
  B) 1 - r2
  C) r
  D) 1 - r

Question 2

The critical boundaries for a hypothesis test are z = +1.96 and 1.96. If the z-score for the sample data is z = 1.90, then what is the correct statistical decision?
 
  A) Fail to reject H1
  B) Fail to reject H0
  C) Reject H1
  D) Reject H0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


ss2343

  • Member
  • Posts: 548
Reply 2 on: Jun 20, 2018
Excellent

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Cellular mechanisms that increase protein diversity Cellular mechanisms that increase protein diversity
Gossip and ridicule increase the status insecurity of this time of life. Gossip and ridicule increase the status insecurity of this time of life.
Write the equation for the voltage at any instant, and find the voltage at 4.0 s Write the equation for the voltage at any instant, and find the voltage at 4.0 s
How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
Equation Equation
The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ... The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ...
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library