« previous next »

Author Question: The t-test for the mean difference between 2 related populations assumes that the respective: A) ... (Read 45 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
The t-test for the mean difference between 2 related populations assumes that the respective:
 
  A) sample sizes are equal.
  B) sample variances are equal.
  C) populations are approximately normal or sample sizes are large.
  D) All of the above

Question 2

The general format for a confidence interval is:
 
  A) point estimate  z (standard deviation).
  B) point estimate  (critical value)(standard error).
  C) margin of error  (confidence coefficient) (standard error).
  D) point estimate  (critical value)(standard deviation)


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Jun 24, 2018
Correct answers!


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Diminishing and disappearing populations. Diminishing and disappearing populations.
Straight Leg Raising Test Straight Leg Raising Test
Procedures and Diagnostic Tests Related to the Cardiovascular System Procedures and Diagnostic Tests Related to the Cardiovascular System
Procedures and Diagnostic Tests Related to the Cardiovascular System Procedures and Diagnostic Tests Related to the Cardiovascular System
Difference spectra of mitochondria Difference spectra of mitochondria
Outgroup role in relative rate test Outgroup role in relative rate test
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library