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?
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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