The Question Below Refers to the Following Situation

question 18

Short Answer

The question below refers to the following situation:
A researcher interested in school violence investigates the extent to which conflict occurs in schools. She obtains a weekly count of witnessed arguments from 15 students. The data are as follows:
The unbiased estimate of the standard error of the mean is __________.

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Definitions:

Fovea

A small area at the center of the retina that provides the clearest and sharpest vision because it has the largest concentration of cones.

Visual Accommodation

The ability of the eye to change its focus from distant to near objects (and vice versa) by changing the lens shape.

Fixation

Arrested development at a psychosexual stage occurring because of excessive gratification or frustration at that stage.

Divergence

The act of moving away in different direction from a common point; in creativity and thinking, it refers to the generation of multiple solutions to a given problem.