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Bell curve graphic depicting normal performance distribution outline diagram. Labeled educational expectation measurement or prediction percentage analysis vector illustration. Average standard theory
Median vector illustration. Labeled middle number value separation method. Mathematical average calculation and measurement explanation scheme. Statistics technique diagram with moderate or mean line.
Road sign with words Hard Way, Easy Way, vector illustration
Hand holding a clipboard with customer survey on it and a pencil, Flat style
3D Isometric Flat Vector Illustration of Standard Deviation, Diagram Showing Distribution Of Normal Performance In Bell Curve Graph