Author Question: The phi-coefficient is the correct correlation to use when both X and Y are dichotomous variables. ... (Read 17 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
The phi-coefficient is the correct correlation to use when both X and Y are dichotomous variables.
 
  Indicate whether the statement is true or false

Question 2

A sample of n = 4 scores is selected from a population with  = 30 and s = 8. The probability of obtaining a sample mean greater than 34 is equal to the probability of obtaining a z-score greater than z = 2.00 from a normal distribution.
 
  Indicate whether the statement is true or false



jliusyl

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

True

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

For a complete list of videos, visit our video library