This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What assumptions are necessary for a comparison of the population variances to be valid? A) At ... (Read 156 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jun 24, 2018
What assumptions are necessary for a comparison of the population variances to be valid?
 
  A) At least one of the population variances is known.
  B) The samples are correlated.
  C) One of the samples follows normal distribution and the other follows F distribution.
  D) Both sampled populations are normally distributed.

Question 2

The expected value of a random variable is also called its mean.
 
  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

jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jun 24, 2018
Gracias!

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Trap set to monitor the wild population in the Dryandra Woodland Trap set to monitor the wild population in the Dryandra Woodland
Sun size comparison Sun size comparison
Population Losses in the South, 1920–1930 Population Losses in the South, 1920–1930
A comparison of the signs and symptoms of (A) hypothyroidism and A comparison of the signs and ... A comparison of the signs and symptoms of (A) hypothyroidism and A comparison of the signs and ...
Population Pyramids Population Pyramids
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population, A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library