Representing Data in Graphs

Question 1

Graphs are used to…

Answer 1

Show relationships and inconsistencies.
Represent data
Draw conclusions and provide evidence

Question 2

Graphs should always have…

Answer 2

Graph title : Quantity of Y axis against quantity on X axis
Scientific units
Labeled axes

Question 3

Where are the independent and dependent variables found on a graph?

Answer 3

The independent variable is found on the x axis (horizontal/bottom), and the dependent variables are found on the y axis (vertical/upright).

Question 4

What graph is used to represent qualitative data? (Based on quality and description)

Answer 4

Column graph

Question 5

What graph(s) are used to represent quantitative data? (Based on numbers)

Answer 5

Line graphs
Scatter graphs
Column graphs with data grouped in categories

Question 6

How do you calculate gradient?

Answer 6

y2 - y1 / x2 - x1

Question 7

How do you calculate scale?

Answer 7

max - min / number of boxes

Question 8

Stay away from numbers like 3, 7 and 9. Use numbers like…

Answer 8

1, 2, 4, 5, 6, 8…