« previous next »

Author Question: The expected value of the discrete random variable x is , a weighted average of all possible values ... (Read 100 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
The expected value of the discrete random variable x is , a weighted average of all possible values of x.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

In a regression analysis, the regression equation is given by y = 12 - 6x. If SSE = 510 and SST = 1000 . then the coefficient of correlation is
 a. -0.7
  b. +0.7
  c. 0.49
  d. -0.49


ricroger

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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.

The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
How to find the average atomic mass of an element How to find the average atomic mass of an element
Average Number of Days per Year with Thunderstorms Average Number of Days per Year with Thunderstorms
Decimal Values as They Relate to the Location of the Decimal Point Decimal Values as They Relate to the Location of the Decimal Point
Given the values of sin θ, determine the values of θ over the interval [0, 2pi] Given the values of sin θ, determine the values of θ over the interval [0, 2pi]
) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase ) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library