This topic contains a solution. Click here to go to the answer

Author Question: A researcher selects a pair of random samples and predicts beforehand that Group 1 will score higher ... (Read 21 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
A researcher selects a pair of random samples and predicts beforehand that Group 1 will score higher than Group 2. The scores in Group 1 are 6, 7, 10, 9, 8. The scores in Group 2 are 3, 4, 9, 7, 5.
 
  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?

Question 2

Degrees of freedom are a direct function of the sample size for all
  statistical tests except the paired t.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

a t=1.863

Answer to Question 2

F




burton19126

  • Member
  • Posts: 532
Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Excellent

 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library