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Reading and interpreting data

12 videos
7 skills
This tutorial is less about statistics and more about interpreting data--whether it is presented as a table, pictograph, bar graph or line graph. Good for someone new to these ideas. For a student in high school or college looking to learn statistics, it might make sense to skip (although it might not hurt either).

Stem-and-leaf plots

VIDEO 5:58 minutes
Stem-and-leaf Plots

Reading stem and leaf plots

PRACTICE PROBLEMS

Reading pictographs

VIDEO 2:21 minutes
Common sense tells you that a pictograph must be some kind of....picture. Yes! A pictograph is basically a way to represent data with pictures that relate to the data. Let's look at this word problem that asks to interpret a pictograph.

Reading pictographs 1

PRACTICE PROBLEMS

Reading pictographs 2

PRACTICE PROBLEMS

Reading bar graphs

VIDEO 2:59 minutes
Reading Bar Graphs

Histograms

VIDEO 6:08 minutes
Histograms

Reading bar charts: basic example

VIDEO 0:52 minutes
Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one...

Reading bar charts 1

PRACTICE PROBLEMS

Creating a bar chart

VIDEO 1:07 minutes
We're going to create a bar chart together using using data from a survey.

Creating bar charts

PRACTICE PROBLEMS

Reading bar charts: comparing two sets of data

VIDEO 1:30 minutes
A bar chart is especially useful with comparing two sets of data. The difference in the bars give us a quick snapshot that allows us to draw some conclusions.

Reading bar charts 2

PRACTICE PROBLEMS

Reading bar charts: putting it together with central tendency

VIDEO 4:41 minutes
Let's combine some learning! Here we looking at bar charts and using the information to determine the measures of central tendency.

Reading bar charts 3

PRACTICE PROBLEMS

Reading line graphs

VIDEO 2:21 minutes
A line graph is another way to visually represent data, especially data that changes over time. They are extremely useful Let's take a look at this example.

Reading pie graphs (circle graphs)

VIDEO 3:09 minutes
Reading Pie Graphs (Circle Graphs)

Misleading line graphs

VIDEO 4:53 minutes
Misleading Line Graphs