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Data Analysis Vocab
Term | Definition |
---|---|
Statistical Question | One that produces answers that vary from person to person. |
Variability | Refers to how many different answers there are to a statistical question. |
Distribution | The collection of all the values for the possible answers to a statistical question. |
Categorical Variable | Can be summarized to show how often each category occurs. |
Numerical Variable | Occur when the data collected results in numbers. |
Bar Chart | Is used to graph categorical data. |
Mode | Is the value in the data that occurs most often |
Dot Plot | (Also called a line plot) are used to graph numerical data be sure to include a scale on the dot plot. |
Stem Plot | (Also called an stem and leave plot) displayed data that is organized by place value. |
Uniform Plot | Values of the variables occur approximately the same number of times. |
Skewed Plot | A shape is skewed when one side of the shape is longer than the other side. |