For the data setbelow,

(a) Determine theleast-squares regression line.

(b) Compute the sum of the squared residuals for theleast-squares regression line.

x

30

30

40

40

50

50

60

60

70

70

y

89

89

86

86

67

67

63

63

62

62

(a) Determine theleast-squares regression line.

ModifyingAbove y with caret

yequals

=

nothing

xplus

+

nothing

(Round to four decimal places asneeded.)