# MATH 10041 Study Guide - Midterm Guide: Pie Chart, Bar Chart, Categorical Variable

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1 Mar 2019
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## Document Summary

Displaying numerical data with dotplots, histograms, and stemplots. Learning outcomes math 10041 chapter 2. Understand what a distribution of a sample is; Understand what each graphical representation tells us about the distribution of a sample. Know what to look for while summarizing a distribution; Summarize a given numerical distribution, describing shape, center, spread; Typical value (center), variability (spread), symmetric distribution, bell-shaped distribution, right- or left- skewed distributions, unimodal distributions, bimodal, multimodal, outliers as extreme values. Understand and be able to use the usual graphical representations for categorical variables; Know the difference between a bar chart and a histogram; Know how to create and interpret a pie chart; Know which graph is appropriate for a given situation. Use bar charts and pie charts to interpret distributions of categorical variables. Explain in their own words what a distribution of a sample is; Interpret a given dotplot, histogram, or stemplot of a distribution;