The Independent variable is always
assigned to the x-axis
What is the independent variable?
The independent variable does not relying on an other variable.
The values of the independent variable can be chosen freely.
There
are three types of relationships between variables:
linear
non-linear (curved-line or other pattern)
no relationship at all
central tendency - point within the range
about which the rest of the data is considered balanced.
The three common measures of central tendency are mean,
median and mode.
is the relationship between the dependent and independent variables linear or
non-linear?
does the type of battery effect the life of a battery?
Click Reload Page
between answers selections.
Scatter Plot of CEO Salaries
Description: The data are the age and annual salary(in $thousands) of the chief
executive officer (including bonuses) for 60 small highly ranked firms.
Reference: Forbes, November 8, 1993, "America's Best Small
Companies,".
Webstat Directions:
Look at all 4 steps before you start. When you
click on the button below, Webstat will open.
Choose a Sample data stet.. CEO salaries is an
interesting set of data.
Choose one of the graph types from Graphics.
Choose your Age and Salary
for your variables, then click Create Graph!
Try a variety of data Sample data
sets and graphics(graph types).
![[Graph of Life of Batteries]](http://www.energyquest.ca.gov/projects/images/batterygraph.gif)
