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

Author Question: Under what circumstances is the point-biserial correlation used? A) in the same circumstances ... (Read 73 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jun 20, 2018
Under what circumstances is the point-biserial correlation used?
 
  A) in the same circumstances when a repeated-measures t test would be used
  B) when X consists of regular, numerical scores but Y is dichotomous
  C) when both X and Y are dichotomous variables
  D) when both X and Y are measured on an ordinal scale (ranks)

Question 2

A sample from a population with  = 40 and  = 10 has a mean of M = 44. If the sample mean corresponds to a z = 2.00, then how many scores are in the sample?
 
  A) n = 100
  B) n = 25
  C) n = 5
  D) n = 4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

B


urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jun 20, 2018
Excellent

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Four-point gait. Four-point gait.
The energy set-point view that is the basis of many people’s thinking about hunger and eating. The energy set-point view that is the basis of many people’s thinking about hunger and eating.
Fibromyalgia tender point sites. Fibromyalgia tender point sites.
Adverse birth circumstances Adverse birth circumstances
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C? The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?
Table - Correlation Analysis Table - Correlation Analysis
Video: Febrile Seizure

For a complete list of videos, visit our video library