Refer to the Graph $l _ { 2 }$ B) $l _ { 3 }$

question 87

Multiple Choice

Refer to the graph. Which line has a negative slope?

• A) \(l _ { 2 }\)
• B) \(l _ { 3 }\)
• C) \(l _ { 1 }\)
• D) \(l _ { 4 }\)

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Definitions:

Raw Scores

The unadjusted scores obtained directly from the number of questions answered correctly on a test or assessment.

Test-retest Reliability

The consistency of a test's results when the same subjects take the same test again after a period of time.

Standard Score

A score that has been transformed to fit a normal distribution, usually with a mean of 100 and a standard deviation of 15.

National Mean

The average score or value derived from a specific set of data collected across a nation.