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

Author Question: When testing the statistical significance of a correlation coefficient, the null hypothesis states ... (Read 204 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Jun 20, 2018
When testing the statistical significance of a correlation coefficient, the null hypothesis states
 
  a. p = 0, the population correlation is zero.
  b. p = +1.00 or -1.00, the population correlation is +1.00 or -1.00.
  c. r = 0, the sample correlation is zero.
  d. r = +1.00 or -1.00 the sample correlation is +1.00 or -1.00.

Question 2

List five threats to the internal validity of an experimental design.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

History, maturation, instrumentation, regression, and selection bias


HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jun 20, 2018
:D TYSM

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

The extent of acid rain in the United States has decreased. The extent of acid rain in the United States has decreased.
Income Distribution in the United States, 2009 Income Distribution in the United States, 2009
Testing motor function of cranial nerve VII - Frown Testing motor function of cranial nerve VII - Frown
Testing cardinal field of gaze Testing cardinal field of gaze
How does PCA reduce the dimension of a statistical problem? How do you select the reduced ... How does PCA reduce the dimension of a statistical problem? How do you select the reduced ...
Table - Correlation Analysis Table - Correlation Analysis
Video: Introduction to Cystic Fibrosis

For a complete list of videos, visit our video library