« previous next »

Author Question: In calculating the regression coefficients we square the errors of prediction because a. ... (Read 78 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jun 20, 2018
In calculating the regression coefficients we square the errors of prediction because
 
  a. statisticians square everything.
  b. the sum of the errors would always be 0 for a great many lines we could draw.
  c. squaring makes the errors more striking.
  d. little errors are more important than big errors.

Question 2

The notation (Y - ) represents
 
  a. our best prediction.
  b. the regression line.
  c. the predicted value.
  d. error in prediction.


katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Relative rate test, calibrating the molecular clock, and calculating divergence dates. Relative rate test, calibrating the molecular clock, and calculating divergence dates.
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
NCC MERP Index for categorizing medication errors. NCC MERP Index for categorizing medication errors.
How to factor a perfect square trinomial How to factor a perfect square trinomial
Calculating the area of a circular ring Calculating the area of a circular ring
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library