# Graphs & Tables

This

**video**explicates how to create a**bar graph,**which presents**categorical data with rectangular bars**, using**data**from a**survey**.

## ⇢ Histograms 📺

This

**video**illustrates how and when to use**histograms**to visualize the**frequency distribution**of a data set.

## ⇢ Line Graphs 📺

This

**video**explains how and when to use a**line graph**to visually represent data, particularly**data that changes over time**.

## ⇢ Pie Charts 📺

This

**video**illustrates how and when to use**pie charts**to visualize data.**Pie charts**are**circular****charts**divided up into**segments**(or "**slices**") which**each represent a value**.

## ⇢ Scatter Plots 📺

This

**video**shows how to construct and read**scatter plots**, which are used to**observe relationships between variables**.

This

**video**explains how to read and construct**box and whisker plots**(a**five-number summary**of a set of data), which are used to graphically depict groups of numerical data through their**quartiles**.

This

**video**explains how to organize data into**frequency tables**and**dot (line) plots**.

This

**video**explains the**difference**between a**linear scale**and a**logarithmic scale**. On a**linear scale**, the**value between any two points will never change.**A**logarithmic scale**is one in which the units on the**axis are powers**, or**logarithms**, of a base number.**Exponential growth curves**are displayed on a**logarithmic scale**.