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

Author Question: If the relationship between two variables has a linear correlation coefficient (r) = 0.30, what is ... (Read 58 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
on: Jun 29, 2018
If the relationship between two variables has a linear correlation coefficient (r) = 0.30, what is the coefficient of determination?

Question 2

A two-tailed t-test is appropriate when the researcher has a directional hypothesis implying that an observed mean can only be greater than or less than a hypothesized value.
 
 Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 29, 2018
Answer to Question 1

r2, the coefficient of determination, is 0.09.

calculation: (0.30.3) = 0.9

Answer to Question 2

F
A one-tailed test is appropriate in this situation. A two-tailed test is one that tests for differences from the population mean that are either greater or less.


humphriesbr@me.com

  • Member
  • Posts: 550
Reply 2 on: Jun 29, 2018
Thanks for the timely response, appreciate it

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
The vagina, sagittal section showing the location of the vagina and its relationship to the cervix, The vagina, sagittal section showing the location of the vagina and its relationship to the cervix,
Position of the lungs within the thoracic cavity; anterior view illustrating regions of the lungs an Position of the lungs within the thoracic cavity; anterior view illustrating regions of the lungs an
Relationship of the 12 cranial nerves to specific regions of the brain. Relationship of the 12 cranial nerves to specific regions of the brain.
The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri
Two-point linear perspective. Two-point linear perspective.
Video: HIV replication/ Replication cycle of HIV

For a complete list of videos, visit our video library