Enter the t-shirt price and sales data Sera collected into the regression calculator and generate a regression line.
A 2-column table with 5 rows. Column 1 is labeled Price (dollars): x with entries 10, 12, 14, 15, 17. Column 2 is labeled Number Sold: y with entries 25, 22, 17, 12, 8.
The regression line shows a .
The relationship between the price of a t-shirt and the number of t-shirts sold is .