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Definition--Measures of Central Tendency--Standard Deviation

Standard Deviation

Standard Deviation

Topic

Statistics

Definition

Standard deviation is a measure of the amount of variation or dispersion in a set of values.

Description

Standard deviation quantifies the degree of variation in a data set, indicating how much individual data points deviate from the mean. It is a crucial statistic for understanding the spread of data and is widely used in fields such as finance, research, and quality control to assess variability and risk. A low standard deviation indicates that data points are close to the mean, while a high standard deviation suggests greater variability.

In educational settings, standard deviation is introduced in lessons on data analysis and variability. Students learn to calculate standard deviation and interpret its significance in understanding data dispersion. Teachers use standard deviation to explain concepts of variability and its implications for statistical analysis, emphasizing its role in data-driven decision-making.

For a complete collection of terms related to Measures of Central Tendency click on this link: Measures of Central Tendency Collection.

Common Core Standards CCSS.MATH.CONTENT.HSS.CP.B.6, CCSS.MATH.CONTENT.HSS.CP.B.7, CCSS.MATH.CONTENT.HSS.CP.B.8, CCSS.MATH.CONTENT.HSS.CP.B.9, CCSS.MATH.CONTENT.HSS.MD.A.2, CCSS.MATH.CONTENT.HSS.MD.B.5, CCSS.MATH.CONTENT.HSS.MD.B.5.B, CCSS.MATH.CONTENT.HSS.MD.B.6, CCSS.MATH.CONTENT.HSS.MD.B.7
Grade Range 6 - 10
Curriculum Nodes Algebra
    • Probability and Data Analysis
        • Data Analysis
Copyright Year 2021
Keywords data analysis, measures of central tendency, definitions, glossary term, statistics