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In this course, we will focus on the use of line graphs to illustrate progression over
time because this is perhaps its most common use in the business world.
A line graph is very useful for illustrating progression over time. For example, if you
want to illustrate how sales are dropping, then a line graph could prove quite helpful,
specifically if there is a large drop because a steeply sloped line will emphasize
dramatic downturns.
Consider the following data summarizing total sales per month:
January: $200,000
February: $300,000
March: $200,000
April: $200,000
May: $150,000
June: $100,000
July: $50,000
August: $20,000
We will now place this data on a line graph:
Sales Totals from January-August
$350,000
$300,000 $300,000
$250,000
$200,000 $200,000 $200,000 $200,000 Total Sales
$150,000 $150,000
$100,000 $100,000
$50,000 $50,000
$0 $20,000
TX Marketing II: Negotiation Techniques 46
