"Deviation values" refers to the difference or distance between a particular observation or data point and a standard or expected value. It helps to understand how much a data point or observation deviates or varies from the average or usual value.
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[2 marks] 0 2 Why are the
standard deviation values found in the study above useful descriptive statistics for the cognitive psychologist?
deviation values, the classic skewed / tipped parabola emerges.