« previous next »

Author Question: The narrower the confidence interval, the more precise it is. With this in mind, which combination ... (Read 75 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?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Over confidence Over confidence
Endocrine system mind map Endocrine system mind map
Opioid Combination Drugs for Severe Cold Symptoms Opioid Combination Drugs for Severe Cold Symptoms
Mono Mind - Save Me A Place (Bridge & Mountain Remix) SiriusXM bpm Mono Mind - Save Me A Place (Bridge & Mountain Remix) SiriusXM bpm
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition
Video: Neuron Structure Animation

For a complete list of videos, visit our video library