Author Question: The phi-coefficient is the correct correlation to use when both X and Y are dichotomous variables. ... (Read 16 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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

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.

For a complete list of videos, visit our video library