Which of the Following Cases Require the Mean of a Sample

question 75

Multiple Choice

Which of the following cases require the mean of a sample to be calculated using the formula = $\bar{x}=\frac{\sum_{i=1}^{N} f_{i} x_{i}}{N}$
?

• A)the sample has no mode value
• B)there is direct access to the raw data
• C)sample data are grouped in a frequency distribution
• D)the coefficient of skewness is 1 or less than -1

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Definitions:

Psychodynamic Approach

A psychological theory and therapy that emphasizes unconscious processes and past conflicts as determinants of behavior.

Sigmund Freud

An Austrian neurologist who is best known for founding psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Super-Ego

The strict and demanding part of the mind.

Ego

In psychoanalytic theory, it represents the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.