« previous next »

Author Question: The degrees of freedom for chi-square equals _____. a. the sum of the rows and columns in the ... (Read 60 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jun 19, 2018
The degrees of freedom for chi-square equals _____.
 
  a. the sum of the rows and columns in the contingency table
  b. the product of the number of rows and columns in a contingency table
  c. the number of cells in the table minus one
  d. the number of rows minus one times the number of columns minus one

Question 2

A sample is a subset of a population.
 
  Indicate whether the statement is true or false


Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jun 19, 2018
Answer to Question 1

D
df = (r - 1)(c - 1), where r = the number of columns in the contingency table and c = the number of columns

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Sprain. A sprain involves damage to one or more ligaments, and is categorized into three degrees of Sprain. A sprain involves damage to one or more ligaments, and is categorized into three degrees of
(A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ... (A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ...
How to sketch a quadratic equation using transformations after completing the square (Question 1) How to sketch a quadratic equation using transformations after completing the square (Question 1)
Convert from degrees to radians Convert from degrees to radians
Write in vertex form by completing the square Write in vertex form by completing the square
If the period of a square wave is 22 ms, what is its frequency? If the period of a square wave is 22 ms, what is its frequency?
Video: Dendrite Animation

For a complete list of videos, visit our video library