2 answers:
Answer:
fig 1st 2nd and last
not the third one
Answer:
Step-by-step explanation:
in the picture
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The point lies directly on the regression line.
Answer:
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Step-by-step explanation:
Answer:
60 + 12 = 72
Step-by-step explanation:
5x + x = 72
=> 6x = 72
=> x = 72 ÷ 6
=> x =12
∴ 5×12+12=72
=> 60 + 12 = 72
Since n is the same as 1n, the problem turns into 1n+5n, which is 6n.