A Professor Grades 120 Research Papers and Reports That the Average

question 69

Multiple Choice

A professor grades 120 research papers and reports that the average score was 80%.What do we know about the sum of the differences of these 120 scores from their mean of 80%?

• A) The sum of the differences is minimal.
• B) The sum of the differences is 80%, the same as the mean.
• C) The sum of the differences is equal to zero.
• D) It is impossible to know without knowing each of the 120 scores.

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Definitions:

False Beliefs

Erroneous convictions or understandings that an individual holds, despite contradictory evidence or logic.

Hurt

A sensation of physical pain or emotional distress.

Social Withdrawal

The process of removing oneself from social interactions and activities, often due to anxiety, depression, or other mental health issues.

Negative Symptom

Negative symptoms are characterized by deficits or decreases in normal emotional responses or thought processes, often seen in conditions like schizophrenia.