Data Representations

• Information collected about people, events or objects

• Categorical or Numerical

• Ways to collect: Survey, interview, polls, spontaneous

• Ways to record: Frequency table, dot plot, stem-leaf plot

• Organized in rows and columns

• One tally=one representation

• Quick for tallying a large amount of info​

Frequency Tables

• Uses titles, subtitles, and labels

• One "dot" = one representation

• Each "dot" can represent > 1

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Dot Plot

Remember

• Each dot represents one representation unless otherwise stated

• To find the total add the tallies/dots

• Make sure that responses = tallies/dots (not more than one)

• Label your axis' so that it is easy to graph and read

• What do you want to know.....???

• Questions?