Cable television advertising was started August 1 to increase visibility of the company's product. Sales (in units) for the months before and after the cable television advertising are as follows:
Before After January2,400
April2,480
February2,520
May2,870
March2,370
June2,960
Use the means of each table to calculate the % increase in sales attributable to cable television advertising. (Round to the nearest tenth of a percent)
What will be an ideal response?
14%
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