Author Question: In which of the following situations would one use an independent t test? a. A professor wants to ... (Read 40 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
In which of the following situations would one use an independent t test?
 
  a. A professor wants to know if one of his two Introduction to Psychology classes scored significantly higher than the other class on the same exam.
   b. A professor wants to know if there was a significant improvement in test scores from Exam 1 to Exam 2 for one of his Introduction to Psychology classes.
   c. An educator wants to know if students spend more time talking on the phone than
   studying during a typical day.
   d. A researcher wishes to learn whether the oldest child in a family does significantly better on standardized tests than the youngest child in the family.

Question 2

Which of the following conditions will result in larger t values?
 
  a. smaller difference between means/smaller within group variance
  b. smaller difference between means/larger within group variance
  c. larger difference between means/larger within group variance
  d. larger difference between means/smaller within group variance



aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

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?

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

For a complete list of videos, visit our video library