Practical skill 1 variables

• How to know when to use a bar chart?

  If the dependent variable is numerical and

  the independent variable are words
• How to know when to use a line graph?

  If the dependent variable is numerical and

  independent variable is also numerical.
• In a table the column on the right side is the independent variable and the left column is the dependent variable.
• The independent variable is on the x axis and the dependent variable is on the y axis.