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

Author Question: Variance is a. a measure of the average, or central value of a random variable b. a measure of the ... (Read 48 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
on: Jun 24, 2018
Variance is
 a. a measure of the average, or central value of a random variable
  b. a measure of the dispersion of a random variable
 c. the square root of the standard deviation
 d. the sum of the deviation of data elements from the mean

Question 2

In a multiple regression model, the values of the error term ,, are assumed to be
 a. zero
  b. dependent on each other
  c. independent of each other
  d. always negative


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

C


asd123

  • Member
  • Posts: 557
Reply 2 on: Jun 24, 2018
Excellent

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

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

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Average Chemical Composition of the Geosphere Crust Average Chemical Composition of the Geosphere Crust
Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ... Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ...
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
The Central Nervous System The Central Nervous System
Geopolitical Issues in Central Asia Geopolitical Issues in Central Asia
How to find the average value of a function (Part 2) How to find the average value of a function (Part 2)
Video: Sickle Cell Anemia

For a complete list of videos, visit our video library