« previous next »

Author Question: In testing for the differences between the means of two independent populations where the variances ... (Read 31 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
In testing for the differences between the means of two independent populations where the variances in each population are unknown but assumed equal, the degrees of freedom is:
 a. n1 + n2 c. n1 + n2 - 1
  b. n1 + n2 - 2 d. None of these choices

Question 2

The time series component that reflects a wavelike pattern describing a long-term trend that is generally apparent over a number of years is called cyclical.
  Indicate whether the statement is true or false


katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Testing Infant’s Understanding of Quantity Testing Infant’s Understanding of Quantity
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
Testing fuel-pump volume using a fuelpressure gauge with a bleed hose inserted into a suitable ... Testing fuel-pump volume using a fuelpressure gauge with a bleed hose inserted into a suitable ...
Testing the strength of the tongue Testing the strength of the tongue
Testing coordination by using the finger-to-finger test Testing coordination by using the finger-to-finger test
Testing cardinal field of gaze Testing cardinal field of gaze
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library