« previous next »

Author Question: A chi-square test for independence has df = 2. What is the total number of categories (cells in the ... (Read 58 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604
on: Jun 20, 2018
A chi-square test for independence has df = 2. What is the total number of categories (cells in the matrix) that were used to classify individuals in the sample?
 
  A) two
  B) three
  C) four
  D) six

Question 2

With  = .05 and df = 8, the critical values for a two-tailed t test are t = 2.306. Assuming all other factors are held constant, if the df value were increased to df = 20, what would happen to the critical values for t?
 
  A) They would increase (move farther from zero).
  B) They would decrease (move closer to zero).
  C) They would stay the same.
  D) There is not enough information to answer.


Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Prokaryotic and Eukaryotic Cells Prokaryotic and Eukaryotic Cells
Stimuli Used in a Test of Word Recognition Stimuli Used in a Test of Word Recognition
Switching of mating type in haploid yeast cells Switching of mating type in haploid yeast cells
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round
White Blood Cells White Blood Cells
Video: Epinephrine/NE (heart rate, altered blood flow, glycogenolysis & bronchodilation)

For a complete list of videos, visit our video library