x
y
31
41.35
XX.23
29
XX.XX
XX
33.93
34
XX.93
35.19
XX.19
27
34.XX
33
33.30
21.20
XXXXXXXXXXX Coefficient
So , XXXXX is a XXXXXXXX XXXXXXXXXXX XXXXXXX two variables .
XXXXXXXXXX Line is given XX :
XXXXX :
is XXX XXXXXXXXX XXXXX XXX slope parameter .
XXXXXX of 42 year old XXXXX XXXXX :