Simple Linear Regression

question 79

Multiple Choice

Simple linear regression:

• A) can be done using some pocket calculators.
• B) is based on the assumption that sales follow a cyclical pattern.
• C) uses several independent variables to forecast sales.
• D) tends to lag behind when there is a strong trend.
• E) both c and d are correct.

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Definitions:

Left Subtree

In tree data structures, particularly binary trees, it refers to the subtree that is rooted at the left child of a node.

Link Instance Variable

A variable within an object that refers to another object, typically used in linked structures like linked lists to connect elements together.

Null

A special value in programming used to represent the absence of any object or value.

Deep Copy

Creating a new compound object and then, recursively, inserting copies into it of the objects found in the original.