Use the Following to Answer Questions

question 61

Multiple Choice

Use the following to answer questions
This polygon represents a fictional distribution of scores.
Figure: Frequency Polygon
-(Figure: Frequency Polygon) Based on the frequency distribution, how many participants scored a 4 or above?

• A) 4
• B) 5
• C) 8
• D) 10

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Definitions:

Distribution

Describes the way values of a variable or set of data are spread or distributed across possible values or intervals.

Z-score

A measure that indicates how many standard deviations an element is from the mean of its distribution.

Hypothesized Population Mean

The expected average value across a population, based on a hypothesis.

Raw Score

The original, unadjusted score obtained in a measurement or test.