What type of graph is shown below? 
Definitions:
Normal Curve
A bell-shaped curve that represents the distribution of many types of data in which most values cluster around a central mean.
Standard Deviation
A statistic that measures the dispersion or variation from the average in a set of data, indicating how spread out the numbers are.
Test-retest Reliability
The consistency of a psychological test or assessment over time when administered to the same group of people.
Raw Scores
A raw score represents the number of questions answered correctly on a test or assessment before any adjustments or transformations.
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