17. Use the following 25 consecutive days' closing prices for Target Corp to determine linear, quadratic,
cubic, and quartic regression equations. What
trends do you see? What are the predictions for
the closing price on the 26th trading day? Starting
with 1/22 as day 1, 1/25 as day 2, etc., use the
ordered pairs (1, 69.15), (2, 68.35)... in the form
(day number, closing price).