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If the re-expressed regression line is ln y = 8.7 + 0.23x, what is the value of y when x is 12?

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Erimatthew09idn

Answer:

y=11.46

Step-by-step explanation:

[tex]y = 8.7 + 0.23x \\ y = 8.7 + 0.23(12)[/tex]

[tex]y = 8.7 + 0.23 \times 12 \\ y = 8.7 + 2.76[/tex]

[tex]y = 11.46[/tex]

[tex]to \: multiply \: 0.23 \times 12 \\ you \: convert \: the \: decimal[/tex]

[tex] = 23 \ \times 12 \div 100 \\ = 276 \div 100[/tex]

[tex] = 2.76[/tex]

hope I helped

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