In this module, students reconnect with and deepen their understanding of statistics and probability concepts first introduced in Grades 6, 7, and 8.åÊStudents develop a set of tools for understanding and interpreting variability in data, and begin to make more informed decisions from data. They work with data distributions of various shapes, centers, and spreads.åÊStudents build on their experience with bivariate quantitative data from Grade 8.åÊThis module sets the stage for more extensive work with sampling and inference in later grades.
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In this module, students move from simply representing data into analysis of data.åÊ Students begin to think and reason statistically, first by recognizing a statistical question as one that can be answered by collecting data.åÊ Students learn that the data collected to answer a statistical question has a distribution that is often summarized in terms of center, variability, and shape.åÊ Throughout the module, students see and represent data distributions using dot plots and histograms.åÊ They study quantitative ways to summarize numerical data sets in relation to their context and to the shape of the distribution.åÊ As the module ends, students synthesize what they have learned as they connect the graphical, verbal, and numerical summaries to each other within situational contexts, culminating with a major project.
In this module, students begin their study of probability, learning how to interpret probabilities and how to compute probabilities in simple settings.åÊ They also learn how to estimate probabilities empirically.åÊ Probability provides a foundation for the inferential reasoning developed in the second half of this module.åÊ Additionally, students build on their knowledge of data distributions that they studied in Grade 6, compare data distributions of two or more populations, and are introduced to the idea of drawing informal inferences based on data from random samples.