# Statistics Ch 1

Home > Preview

The flashcards below were created by user firefly501 on FreezingBlue Flashcards.

1. Individuals
objects described by the data, e.g. people, plants, animal
2. Variable
characteristic of individual, e.g. age, blood pressure, height, weight, eye color
3. Two types of variables:
Categorical & Quantitative
4. Categorical
falls into a category – cannot be added, e.g. color, gender
5. Quantitative
• can be counted or measured – can be added, subtracted, e.g.
• income
6. Charting categorical data
Bar graph & Pie chart
7. Bar graph
each category represented by a bar, record frequency for each category
8. pie chart
slices must represent the parts of one whole
9. Charting quantitative data (shape, center, spread)
histogram, stem plot, time plot
10. Histogram
• Choose the classes
• Count the individuals in each class
• Draw the histogram
11. Stem plot
• may be able to split stems
• Numerical histogram
• Note symmetry/ skewness; outliers
12. Time plot
time on the x-axis (horizontal)

### Card Set Information

 Author: firefly501 ID: 137590 Filename: Statistics Ch 1 Updated: 2012-02-25 16:45:13 Tags: statistics Folders: Description: Picturing Distributions with Graphs Using graphs to describe data distributions Show Answers:

What would you like to do?

Home > Flashcards > Print Preview