E-module 3 - Displaying data Flashcards
List 6 types of graph and the type of variable x and y would be for each
Pie chart - x: categorical y: discrete quantitative
Bar chart - x: categorical or discrete quantitative y: quantitative
Histogram - x: continuous quantitative y: discrete quantitative
Dot-plot - x: categorical y: continuous quantitative
Box and whiskers - x: categorical y: continuous quantitative
Scatter plot - x: continuous quantitative y: continuous quantitative
What are the elements that should be in a good figure or table?
- title
- labelled axes (with units)
- legend
may also contain:
- annotations to describe certain elements
- asterisks to denote significance
What elements should a good legend contain?
- Title: one sentence either descriptive (stating how the experiment was conducted) or declarative (what the figure shows)
- Methods: brief sentence about the methods used to generate the figure
- Results: very brief explanation of findings. P-values and sample size should also be included
- Definitions: explanations of all the symbols, scale bars, error bars or abbreviations used in the figure.
Which type of graph is used to determine whether a variable is normally distributed?
Histogram or Box & whiskers plot