If the Margin of Error in an Interval Estimate of $\bar { x } \pm 2.3$

question 2

Multiple Choice

If the margin of error in an interval estimate of ? is 4.6, the interval estimate equals _____.

• A) \(\bar { x } \pm 2.3\)
• B) \(\bar { x } \pm 4.6\)
• C) \(\bar { x } \pm 4.508\)
• D) \(\bar { x } \pm 6.9\)

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Definitions:

Preferential Looking

A research method used in developmental psychology to study infant vision and cognition, based on the premise that infants will look longer at more visually appealing or interesting stimuli.

Visual Acuity

The clarity or sharpness of vision, often measured by the ability to discern letters or numbers at a specific distance.

Adult Levels

Stages or standards of physical, emotional, or intellectual development typically associated with adult maturity.

Months

Units of time in calendars that approximate the period of the lunar cycle, usually used as a measurement of the duration of events or periods of life.