« previous next »

Author Question: The narrower the confidence interval, the more precise it is. With this in mind, which combination ... (Read 70 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
on: Jun 20, 2018
The narrower the confidence interval, the more precise it is. With this in mind, which combination of factors will produce the most precise estimate of the difference between two population means?
 
  a. Two samples of n = 20 and 80 confidence
  b. Two samples of n = 20 and 90 confidence
  c. Two samples of n = 50 and 80 confidence
  d. Two samples of n = 50 and 90 confidence

Question 2

An independent-measures study comparing two treatment conditions with n = 6 in each sample produces t = 4.00 . What is the value of r2for this study?
 
  a. 4/26 c. 16/26
  b. 4/28 d. 16/28


trampas

  • Sr. Member
  • ****
  • Posts: 320
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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

George Green. …marooned in dreaming: a path of song and mind. George Green. …marooned in dreaming: a path of song and mind.
Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ... Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ...
Opioid Combination Drugs for Severe Cold Symptoms Opioid Combination Drugs for Severe Cold Symptoms
A combination wrench has an open end at one end and a box end at the other end. A combination wrench has an open end at one end and a box end at the other end.
Which outcome corresponds to the combination of silver and carbonate ions shown in the ... Which outcome corresponds to the combination of silver and carbonate ions shown in the ...
Combination of arrangement and sequence is correct Combination of arrangement and sequence is correct
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library