It Is Customary to Approximate the Standard Error of the Sample

question 19

True/False

It is customary to approximate the standard error of the sample mean $\sigma / \sqrt { n }$
by substituting the sample standard deviation s for $\sigma$
in the formula: SE( $\bar { X }$
)= $\sigma / \sqrt { n }$
.

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Definitions:

Group Attribution Error

The tendency to make broad stereotypical judgments about a group based on the actions of a few individuals within that group.

Ultimate Attribution Error

A bias in which negative behaviors by out-group members are attributed to their character, while similar actions by in-group members are attributed to situational factors.

Law Of Small Numbers

A cognitive bias where people infer broader conclusions from a small set of observations than is statistically warranted.

Bias

A tendency to lean in a certain direction, often to the detriment of an open mind, leading to partial judgment or prejudice.