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 92 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
YES! Correct, THANKS for helping me on my review

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

How to solve any rational equation by factoring (Part 1) How to solve any rational equation by factoring (Part 1)
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Simplify Exponential Equation Simplify Exponential Equation
The Global Positioning System determines the location of an object from its distances to ... The Global Positioning System determines the location of an object from its distances to ...
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: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library