This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An independent-measures study produces sample means of M1 = 20 and M2 = 17 . If both samples have n ... (Read 61 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


tuffie

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

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
Independent Assortment p1 Independent Assortment p1
Sample Student Externship Form Sample Student Externship Form
Case Study of a Midlatitude Cyclone Case Study of a Midlatitude Cyclone
Martorano's cross-sectional study Martorano's cross-sectional study
Independent assortment for two traits in humans follows the same pattern of inheritance as traits in Independent assortment for two traits in humans follows the same pattern of inheritance as traits in
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library