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 149 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
Wow, this really help

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Comparison of small subunit rRNA gene sequences of vertebrate, invertebrate chordate, and invertebra Comparison of small subunit rRNA gene sequences of vertebrate, invertebrate chordate, and invertebra
Comparison of the radius of fruits produced by native and introduced species of Sapindaceae Comparison of the radius of fruits produced by native and introduced species of Sapindaceae
During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus
Changes in the Age Structure of the Population, 1950–2050 Changes in the Age Structure of the Population, 1950–2050
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Video: Physiology of Asthma

For a complete list of videos, visit our video library