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

Author Question: Using the conservative test in which variances were not pooled that was described in the text, on ... (Read 82 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Jun 20, 2018
Using the conservative test in which variances were not pooled that was described in the text, on how many degrees of freedom would the t test on groups of 65 and 21 participants be based?
 
  a. 65  1 = 64 df
  b. 21  1 = 20 df
  c. 65 + 21  2 = 84 df
  d. (65 + 21)  2 = 43 df

Question 2

In which of the following cases is it most useful to pool the variances?
 
  a. s12 = 7.3, N1 = 15 and s22 = 8.1, N2 = 15
  b. s12 = 7.3, N1 = 15 and s22 = 52.3, N2 = 6
  c. s12 = 8.4, N1 = 13 and s22 = 12.1, N2 = 19
  d. none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


ss2343

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jun 20, 2018
Thank you


bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro
TB skin test. TB skin test.
Amonia plama test Amonia plama test
Sit-and-Reach Test for Overall Flexibility. Sit-and-Reach Test for Overall Flexibility.
Blood pressure test Blood pressure test
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library