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Big Ideas Data Analysis. 1. A collection of objects with various attributes can be classified or sorted in different ways. A single object can belong to more than one class. Classification is the first step in the organization of data. Big Ideas Data Analysis. 2.

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Big ideas data analysis
Big Ideas Data Analysis

  • 1.

  • A collection of objects with various attributes can be classified or sorted in different ways.

  • A single object can belong to more than one class. Classification is the first step in the organization of data.


Big ideas data analysis1
Big Ideas Data Analysis

  • 2.

  • Data are gathered and organized in order to answer questions about populations from which the data come.

  • With data from only a sample of the population, inferences are made about the population.


Big ideas data analysis2
Big Ideas Data Analysis

  • 3.

  • Different types of graphs and other data organizations provide different information about the data and the population from which the data are taken.

  • The choice of graphical representation can impact how well the data are understood.


Big ideas data analysis3
Big Ideas Data Analysis

  • 4.

  • Measures that describe data with numbers are called statistics.

  • Data can be organized in various graphical forms to visually convey information.

  • The use of a particular graph or statistic can mediate what the data tell about the population.


Big ideas data analysis4
Big Ideas Data Analysis

  • 5.

  • Both graphs and statistics can provide a sense of the shape of the data, including how spread out or how centered they are.

  • Having a sense of the shape of the data is having a big picture of the data rather than a collection of numbers.


Reference
Reference

  • Elementary and Middle School Mathematics,

  • Teaching Developmentally, Chapter 22, p. 452, Van De Walle.


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