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

Author Question: If the coefficient of correlation r = 0, then: a. the slope of the regression line is zero. b. ... (Read 117 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
on: Jun 24, 2018
If the coefficient of correlation r = 0, then:
 a. the slope of the regression line is zero.
  b. there is no linear relationship whatsoever between the dependent variable y and the independent variable x.
  c. the coefficient of determination is zero.
  d. All of these are correct.
  e. None of these is correct.

Question 2

The coefficient of correlation r is a number that indicates the:
 a. direction of the relationship between the dependent variable y and the independent variable x.
  b. strength of the relationship between the dependent variable y and the independent variable x.
  c. proportion of the variation in the dependent variable y that is explained by the independent variable x.
  d. Only A and B are correct.
  e. A, B, and C are all correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IRincones

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

D


Frost2351

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jun 24, 2018
Thank you


IRincones

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

A Double-Line Spectroscopic Binary A Double-Line Spectroscopic Binary
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
Plato’s Divided Line Plato’s Divided Line
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
How to graph line equations without a table of values How to graph line equations without a table of values
Number line for rounding Number line for rounding
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library