Selling Price and Amount Spent Advertising Were Entered into a Multiple

question 2

Multiple Choice

Selling price and amount spent advertising were entered into a multiple regression to determine what affects flat panel LCD TV sales. A multiple regression model was fit
To the data and the graph of residuals shows a unimodal and symmetric pattern. What
Does this graph suggest?

• A) the nearly normal assumption is satisfied.
• B) the randomization condition is satisfied.
• C) the linearity condition is satisfied.
• D) both A and B.
• E) both A and C.

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Definitions:

Treatment

The management and care of a patient for the purpose of combating a disease, disorder, or injury, involving a range of medical or psychological strategies.

Study

The act of applying the mind to acquiring knowledge on a subject, through reading, investigation, or practice.

Test-retest Reliability

A measure of the consistency of a psychological test or assessment over time when administered to the same individuals.

Internal Consistency

A measure of the reliability of a psychological test or assessment, based on the correlation between multiple items or components of the test.