# Descriptive Statistics - Describing Data with Tables and Graphs

## 6 important questions on Descriptive Statistics - Describing Data with Tables and Graphs

### How do we describe categorical data

### What does a frequency distribution list?

**relative frequency distribution.**

### What does it mean if values in frequency distributions are mutually exclusive?

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### What is the difference between a histogram and a bar chart?

A bar chart shows the frequency distribution for a categorical variable. To show this, the bars are separated.

What does a stem-and-leaf plot represent?

A stem-and-leaf plot represents each observation by its leading digit(s), called the stem, and by its final digit, called the leaf. It conveys information similar to a histogram, but it shows each observation.

### What different shapes can a distribution take on?

The tails of a distribution aren't always symmetric. They can be skewed to the left or right.

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