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Mathematics 7 Online
OpenStudy (anonymous):

The graph at right, which is the result of a survey taken at one particular school, is expected to be representative of the district as a whole. a. Predict how many teachers will be in the 11-20 years category if there are 240 teachers in the whole district. Show all work! b. Could this graph be used to predict the experience level breakdown for an individual department (Math, Science, etc.) within a given school? Explain why or why not?

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