\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Alex, a marketing manager, studied the correlation between TV advertisements aired weekly and headphone sales (in thousands). He recorded data over several weeks:
TV Advertisements 5 10 15 20 25 30 35
Headphones Sold (thousands) 10 18 25 28 30 32 33
He plotted the data and drew a line of best fit:
Using the line of best fit, estimate the number of headphones sold if 18 TV advertisements are aired in a week.
Choose one answer: