Regression equation than from the mean

Reference no: EM131852632

1. Under what two circumstances is the prediction of Y from X better made from the regression equation than from the mean of the Y column corresponding to the particular value of X?

2. If r 1.00, what is the value of d 2 Y ? Why?

3. If r 1.00, what is the value of d 2 Y? Why?

Reference no: EM131852632

Questions Cloud

Aptitude test works is to test applicants : One way to learn whether an aptitude test works is to test applicants for the particular job, hire them all, and subsequently correlate test score

Recognize main factor that led to americas early development : Recognize the main factors that led to America's early development. Discuss the different ways that the heritages of slavery, the Civil War, and Reconstruction.

Discuss about the congressional budget process : What does the 2011 and 2013 Congressional debate over raising the federal debt ceiling indicate about the Congressional budget process.

Graders and the seniors at the same school : For which group would you expect a higher correlation between height and weight: all students at a 4-year high school, or a sample composed

Regression equation than from the mean : Under what two circumstances is the prediction of Y from X better made from the regression equation than from the mean of the Y column corresponding

Fixed-income asset with a duration of five years : You own a fixed-income asset with a duration of five years. how much do you expect the price of the asset to go up (in percentage terms)?

How did political parties rise and then decline in influence : What are the causes and consequences of southern realignment? How did political parties rise and then decline in influence?

Correlation coefficient between the sat verbal score : Suppose the correlation coefficient between the SAT verbal score and IQ is r .50. What z score on the SAT verbal test do you predict for someone whose z score

Standardscore formula for the regression : Suppose X IQ with X 100 and SX 15, while Y SAT verbal score with Y 500 and SY 100. Use the standardscore formula for the regression of Y on X to predict

User Account

All Pages