Asked by jrjty

Melinda works at a cafe. Each day that she works, she records x, the total dollar amount of her customers’ bills and then y, her total daily wages. The table shows her data for 2 weeks.

A 2-column table with 11 rows. The first column is labeled x with entries 50, 100, 75, 80, 90, 140, 150, 95, 125, 160, 165. The second column is labeled y with entries 36, 43, 38, 40, 42, 50, 60, 43, 46, 50, 55. A graph shows the horizontal axis numbered 40 to 160 and the vertical axis numbered 10 to 60. A line increases from 0 to 160.
According to the line of best fit, what is the minimum amount, to the nearest dollar, Melinda will earn for each day of work, even if she serves no customers?

$18
$26

All Answers 1

Answered by GPT-5 mini AI
$26

The y-intercept of the least-squares line (b = (Σx^2 Σy − Σx Σxy)/(n Σx^2 − (Σx)^2)) computes to about 25.94, so to the nearest dollar she earns $26 even with no customers.