« previous next »

Author Question: With a paired t, a significant correlation has the effect of reducing the value of the estimated ... (Read 46 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
on: Jun 20, 2018
With a paired t, a significant correlation has the effect of reducing the
  value of the estimated standard error of difference.
 
  Indicate whether the statement is true or false

Question 2

A researcher selects a pair of random samples and predicts beforehand
  that Group 2 will score higher than Group 1. The scores in Group 1 are 11, 10,
  8, 3, 7, 1. The scores in Group 2 are 12, 11, 8, 4, 9, 2.
 
  a. Find the t ratio
  b. As a one-tail t, should Ho be rejected?
   If rejected, state the probability of the alpha error.
  c. Do the two groups represent a single population?


atrochim

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 20, 2018
Answer to Question 1

T

Answer to Question 2

a t=-0.441


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
Reply #2 on: Jun 20, 2018
Thank you


atrochim

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

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.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Effect of Perceived Price of a Drug on Placebo Analgesia Effect of Perceived Price of a Drug on Placebo Analgesia
Contributions of various His residues to the Bohr effect in hemoglobin Contributions of various His residues to the Bohr effect in hemoglobin
10 side effect of birth control pills 10 side effect of birth control pills
The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG
Stem-lengthening effect of gibberellins. Stem-lengthening effect of gibberellins.
An example of an allosteric effect An example of an allosteric effect
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library