Graphing
What is a graph
A pictorial representation of information recorded in a data table.
What do you need to have at the top of a graph?
A title
Which would be better for showing the number of birds of each color in a population. Bar graph or Line graph?
Bar graph
Which type of graph would you use to show comparisons
Bar graph because it records more than one data fact
What are the three common methods to record observations
Bar graph, line graph and data table
How is a line graph different from a bar graph
Bar graphs are more suitable for data comparisons whereas line graphs are more suitable to evaluate change in the dependent variable as the independent variable changes.
How is a graph similar to a data table?
Both record and represent data that shows the effect of an independent variable over dependent variable
What does the bar graph allow the scientist to do
Compare data
How could you plot more than responding variable on a line graph?
Draw another line
Recorded data can be plotted on a _____ what?
Graph
How is the information in the data table organized
In columns with appropriate headings
The data for the dependent variable is based on changes in the what
Independent variable
Who helps doctors and other medical people perform many medical lab tests that help in the diagnosis and treatment of the disease.
Medical laboratory technician
Do you connect the line on a line graph to the (0,0) if it is not included in the data set?
NO!
What is the data table used to record
Numerical data
Why is it important to have all parts of a graph clearly labeled and drawn
Otherwise, you may misread it
Does a steep curve on a line graph indicate a rapid or slow rate of change?
Rapid
What is the line graph used to show
Relationships between two variables
Always mark an appropriate scale. T or F
T
Where is the independent variable placed on a line graph
X-axis (horizontal)
What is the format for a title
Y versus X
Where is the dependent variable placed on a line-graph
Y-axis (vertical
What da ya hav 2 do all the time?
Ya gotta label
On a line graph what do you need to do?
surround each point with a small circle and connect the dots.
Where do you place the manipulated variable on a line graph
x-axis