« previous next »

Author Question: William has 20 students take a test on two different occasions. What would be the df if he wanted to ... (Read 54 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jun 20, 2018
William has 20 students take a test on two different occasions. What would be the df if he wanted to compare the mean scores from both occasions?
 
  a. 39
  b. 38
  c. 19
  d. 18

Question 2

Significance tests have two components. They are:
 
  a. size of effect; independence
  b. independence; dependence
  c. size of effect; size of study
  d. p value; test statistic


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Your heart beats over 36 million times a year.

Stimuli Used in a Test of Word Recognition Stimuli Used in a Test of Word Recognition
The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ... The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ...
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
The obturator test The obturator test
Including Students with Special Needs: A Practical Guide for Classroom Teachers, 8th Edition Including Students with Special Needs: A Practical Guide for Classroom Teachers, 8th Edition
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library