Mathematics, 19.04.2021 18:30 markaylarowland8
A graph titled Monthly Sales and Advertising Costs has Advertising Costs (1,000 dollars) on the x-axis and sales (1,000 dollars) on the y-axis. A line goes through points (6.4, 117) and (6.6, 120).
The scatterplot and trend line show a positive correlation between advertising costs and sales.
The slope was found using the points (6.4, 117) and (6.6, 120). What is the value of b in the equation of the trend line?
y = 15x + b
Answers: 2
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A graph titled Monthly Sales and Advertising Costs has Advertising Costs (1,000 dollars) on the x-ax...
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