RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

MULTIPLE REGRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tukey’s ladder of transformations is a four-quadrant approach that can be explored to straighten out a plot of x and y, thereby offering potential improvement in the predictability of a regression model.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The Bulging Rule states the following: If the data have a shape similar to that shown in the first quadrant, then the data analyst tries re-expressing by going up-ladder for X, Y or both.

Detailed explanation-2: -The Ladder of Powers orders the effects that the re-expressions have on data. Ratios of two quantities (e.g., mph) often benefit from a reciprocal. Counts often benefit from a square root re-expression. The Ladder of Powers orders the effects that the re-expressions have on data.

Detailed explanation-3: -What does Bulge Rule mean? Bulge Rule – Creates personal jurisdiction over third-party defendants if served within a 100-mile radius of the federal court and jurisdiction won’t offend “traditional notions of fair play and substantial justice.”

There is 1 question to complete.