This topic contains a solution. Click here to go to the answer

Author Question: An independent-measures study produces sample means of M1 = 20 and M2 = 17 . If both samples have n ... (Read 91 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
An independent-measures study produces sample means of M1 = 20 and M2 = 17 . If both samples have n = 18 scores and Cohen's d = 0.50, what is the value for the pooled variance?
 
  a. 2 c. 6
  b. 4 d. 36

Question 2

An independent-measures study produces sample means of M1 = 20 and M2 = 17, and a pooled variance of 9 . For this study, what is the value of Cohen's d?
 
  a. 3/3
  b. 3/9
  c. 3
  d. Impossible to determine without knowing the sample sizes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

D

Answer to Question 2

A




tuffie

  • Member
  • Posts: 534
Reply 2 on: Jun 20, 2018
Wow, this really help


xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

For a complete list of videos, visit our video library