Grasp-A-Graph

Grasp-A-Graph

Description: Students will interpret and organize information using pictographs, pie, bar,line and double line graphs.

  

Event Supervisor: Theresa Socha

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Find 1/2 inch graph paper here *
 
 
 This event uses an optical answer sheet (e.g.,Scantron) Learn more
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 elem faq button web

Will the test include questions on ratios?

The term "ratio" is unlikely to appear, but the idea will be included.  For instance, a question which asks "which one is twice as much?".

Please clarify what is meant by if something takes place "over time", and when a bar or line graph is appropriate.

Bar graphs are descriptive.  They compare discrete amounts of data such as the number of things.  They help us make generalizations and see differences in the data.  

 

Line graphs show a relationship between two variables.  They are useful for showing trends in data, especially continuous changes over time, and for making predictions.

 

Data which is continuous can become discrete if it is aggregated.   For instance, we could measure the number of phone calls received each hour, or each day.  If we add the data for each month together and display it by month, the data is no longer continuous.  By hour, the data would more appropriately be displayed with a line graph.  By month, the data would be more appropriately be displayed with a bar graph.

 

 

What type of answer sheet will be used for the multiple choice part of the test?

We are switching to ZipGrade starting at the practiice tournaments (March 2017)