Find the Standard Deviation for the Given Sample Data $$\begin{array} { l l l l l l l l l l l l } 4 & - 8 & 14 & 10 & - 9 & 12 & - 6 & 1 & 0 & 4 & - 3 & 9\end{array}$$

question 39

Multiple Choice

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data.
-Listed below are the amounts of weight change (in pounds) for 12 women during their first year of work after graduating from college. Positive values correspond to women who gained weight and negative values correspond to women who lost weight.

$$\begin{array} { l l l l l l l l l l l l } 4 & - 8 & 14 & 10 & - 9 & 12 & - 6 & 1 & 0 & 4 & - 3 & 9\end{array}$$

• A) 8.0 lb
• B) 7.9 lb
• C) 7.5 lb
• D) 8.2 lb

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Definitions:

Fixation

In psychoanalytic theory, an obsessive focus or attachment to certain behaviors or stages of development that were significant in one's childhood.

Anal Stage

In Freudian psychoanalysis, a stage of psychosexual development centered around the child's control over bowel movements and pleasure from elimination or retention.

Psychosexual Development

A Freudian theory that proposes children pass through a series of stages centered on erogenous zones that affect their adult personality.

Anal Stage

A phase in Freud's psychosexual development theory, occurring between 18 months and three years of age, where pleasure centers on bowel and bladder elimination.