Understanding Measurement Units of Data Jennifer NickellAshley Whitehead NC State University NCCTM State Conference Greensboro, NCOctober.

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Understanding Measurement Units of Data Jennifer NickellAshley Whitehead NC State University NCCTM State Conference Greensboro, NCOctober 31, 2014

Difference between Mathematics and Statistics Statistics requires a different kind of thinking, because data are not just numbers, they are numbers with a context” (Moore & Cobb, 1997, p.801). Statistics is it’s own discipline not a branch of mathematics Mathematics we solve for the right answer Statistics utilizes mathematics but is more! Interpreting the context to answer a question

Statistical Investigative Cycle Formulate a Question Collect Data Analyze Data using Graphs & Measures Interpret Results in the Context

Are these contexts reasonable? Data: 32, 20, 38, 35, 36, 28, 68, 33 Pounds lost on a weight loss program Ages of new mothers Length of women’s hair

What is a reasonable context? 21, 30, 8, 2, 15, 18, 25, 6, 13 73, 97, 86, 80, 67, 107, 89, 116, 72

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