Given are five observations for two variables, x and y.
y	x
16	5
12	6
7	7
18	8
35	9
1	The value in the numerator of the formula to compute the slope coefficient b is:
a	44
b	42
c	40
d	38
2	The value in the denominator of the formula to compute the slope coefficient b is:
a	10
b	12
c	14
d	16
3	The value of the intercept coefficient b is:
a	-12.8
b	-13.2
c	-13.6
d	-14.0
4	The predicted value of y when x = 8 is:
a	23.1
b	22.9
c	22.5
d	22.0
5	The prediction error when x = 8 is,
a	-4.0
b	-4.5
c	-4.9
d	-5.1