How are grocery shelf location and sugar content of cereals related? In …
How are grocery shelf location and sugar content of cereals related? In this task, students visit two grocery stores to compare the amount of sugar in boxes of cereal that are displayed on the top shelf to the amount of sugar in boxes of cereal that are displayed on the second to the bottom shelf. They design and conduct a survey to compare their findings from two stores. In doing so, they encounter sample size, sampling technique, data collection, and data analysis and reporting. Students compare their data in summary plots using two box and whisker plots. Students create a written report to share and relate findings to marketing decision making.
This activity uses simulation to help students understand sampling variability and reason …
This activity uses simulation to help students understand sampling variability and reason about whether a particular samples result is unusual, given a particular hypothesis. By using first candies, then a web applet, and varying sample size, students learn that larger samples give more stable and better estimates of a population parameter and develop an appreciation for factors affecting sampling variability.
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