Using the omission strategy, what value would be placed in the missing observation in x1? x1 x2 76 22 82 89 32 41 86 28 Using the omission strategy, what value would be placed in the missing observation in x1?

x1 x2

76 22

82 89

32 41

86 28

a.No value because excluded

b.67

c.81

d.83