Display Title
Definition--Measures of Central Tendency--Average
Display Title
Average
Topic
Statistics
Definition
The average is a measure of central tendency, calculated by dividing the sum of values by their count.
Description
In statistics, the average is crucial for analyzing data sets, revealing trends, and providing insight into overall performance. It’s applicable in various fields, from school grades to business metrics. For example, if a student scores 80, 90, and 100 on three exams, the average can be calculated as follows: Average = (80 + 90 + 100) / 3 = 90. The average is essential in math education as it forms a foundational concept for more advanced statistical analyses.
Understanding averages helps in making informed decisions based on data. For instance, businesses use averages to determine typical sales figures, while educators use them to assess student performance. In everyday life, people use averages to understand expenses, such as calculating the average amount spent on groceries each month. This concept is not only a mathematical tool but also a practical one, aiding in the interpretation and communication of data.
In the classroom, teaching averages involves practical exercises that help students grasp the concept. For example, students might calculate the average height of their classmates or the average number of books read in a month. These exercises reinforce the understanding of averages and their importance in summarizing data effectively.
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 |
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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 |