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Lesson 2: Standard DeviationMeasures of Variability:
• Range -
a more complex measure of variability that measures the distance that each piece of data is from the mean
• Standard Deviation
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The following are the test scores of a group of Grade 12 students from High School A. Example 1:
• Calculate the standard deviation for this data set.
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Calculating Standard Deviation: Summary
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The following are the test scores of a group of Grade 12 students from High School B. Example 2:
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High School A
High School B
Mean (X)
Range
Standard Deviation(Sx)
Comparing the 2 High Schools:
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Assignment # 2 (Statistics Handbook)
