Which One of the Following Best Characterizes How Confidence Intervals

question 14

Multiple Choice

Which one of the following best characterizes how confidence intervals are used in reporting students' scores on standardized tests?

• A)They indicate the norm group to which students are being compared.
• B)They show the range of 10 percentile points within which each student's score falls.
• C)They indicate how likely it is that each student has mastered a particular topic.
• D)They show the range within which each student's actual ability level probably lies.

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Definitions:

Oil Immersion

A microscopy technique that involves placing a drop of oil on a slide to increase the resolution of the microscope by reducing light refraction.

Low-Power

Typically refers to a setting or mode of operation in devices that consume minimal electrical energy or to optical devices (like microscopes) using objective lenses with lower magnification.

Compound Light Microscope

An optical instrument that uses visible light and a system of lenses to magnify images of small samples.

Base

A substance that can accept hydrogen ions in a solution and has a pH greater than 7 in its aqueous form.