MATHEMATICS

Rabu, 16 Januari 2013

Graphs and data analysis – Part 2

What happens to 12 pizza pies at a school party?  POOF, before you know it, they’ve disappeared.

We begin, as we often do, with questions from the National Assessment of Educational Progress (``The Nation’s Report Card’’).  In 2005, students were asked to study a pie chart (alternately called a circle graph):

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