Hanna Properties specializes in custom-home resale in the Equestrian Estates, an exclusive subdi- vision in Phoenix, AZ.

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Hanna Properties Specializes In Custom Home Resale In The Equestrian Estates An Exclusive Subdi Vision In Phoenix Az 1 (128.76 KiB) Viewed 21 times

Hanna Properties specializes in custom-home resale in the Equestrian Estates, an exclusive subdi- vision in Phoenix, AZ. A random sample of nine custom homes currently listed for sale provided the information on size and price in the Table 2. Here, x denotes the size of the home, in hundreds of square feet, rounded to the nearest hundred, and y denotes the price of the home, in thousands of dollars, rounded to the nearest thousand. Size, , Price, y 26 540 27 555 33 575 29 577 29 606 34 661 30 738 40 804 22 496 Table 2: Home sizes and prices (a) (2 points) The least squares estimate of y-intercept coefficient is i. 15.89 ii. 140.08 iii. 13.21 iv. 123.04 (b) (2 points) The least squares estimate of slope coefficient is i. 15.89 ii. 140.08 iii. 13.21 iv. 123.04 (c) (2 points) The estimated regression line is i. = 15.89 + 140.08x ii. = 140.08 + 13.21x iii. Ÿ= 123.04 + 15.89.x iv. Û = 140.08 + 15.89x (d) (2 points) The value of Szt is i. 5.19 ii. 270 iii. 216 iv. 59.62 (e) (2 points) The value of Syy is i. 99.65 ii. 78444.89 iii. 5552 iv. 59.62