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