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In this activity, students conduct an investigation to determine the rate of change in the popping of microwave popcorn. Four volunteers will estimate the time in the popping process where the rate of change is at 5 chosen levels. Other students will collect data on number of pops during consecutive 5 second time periods and draw histograms. Students will understand the approximate normal curve for a real data set and the relationship between the rate of popping and the shape of the distribution. This activity also provides an opportunity for students to understand human errors in data collection because not everyone will have the same number of frequencies in the corresponding classes of their histograms.
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2012-04-01.
A nice alternative to kids always using their sense of sight to gather data. :)
This lesson is part of the American Statistical Association’s STatistics Education Web (STEW). See more peer-reviewed lessons by visiting the larger collection of STEW Lesson Plans.