Wednesday, November 22By Kids For Kids

Statistics

Statistics

Statistics

Statistics

Learn front page, Statistics
Displaying and describing data One of the first things we do in statistics is try to understand sets of data. This involves plotting the data in different ways and summarizing what we see with measures of center (like mean and median) and measures of spread (like range and standard deviation). This topic focuses on concepts that are often referred to as "descriptive statistics". Statistics overview Categorical data displays Two-way tables for categorical data Dot plots and frequency tables Histograms Comparing features of distributions Stem-and-leaf plots Line graphs Mean and median: The basics More on mean and median Range, Interquartile range (IQR), Mean absolute deviation (MAD) Box and whisker plots Population variance and standard deviation Sample variance ...