THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 207

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sample of 8 households was asked about their monthly income (x) and the number of hours they spend connected to the internet each month (y) .The data yield the following statistics:
,
,
,
,
-An indication of no linear relationship between two variables would be a:

• A)coefficient of determination equal to 1
• B)coefficient of determination equal to -1
• C)coefficient of correlation equal to 0
• D)coefficient of correlation equal to -1

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Definitions:

Avolition

A reduction in the motivation to initiate and perform self-directed purposeful activities.

Flat Affect

A severe reduction in emotional expressiveness, with individuals often displaying minimal facial expressions or vocal tone variability.

Inappropriate Affect

A clinical symptom where an individual's emotional expression is incongruent with the situation or their internal state.

Alogia

A symptom of schizophrenia and other psychotic disorders characterized by a significant reduction in the amount of speech.