I was able to complete part 1 of the question and get the regression formula (attached in the image at the end of the question), and now i'm having difficulty with the est. An explanation is greatly appreciated. I've also attached and image of the data provided.

1) Interpret the coefficient estimate for the following variable: ABV.

[insert interpretation here]

2) Interpret the coefficient estimate for the following variable: Type.

[insert interpretation here]

3) Using a 5% significance level, conduct a global F-test to determine whether any of the independent variables are different from zero. (5 marks)

H₀:[insert here]

H₁:[insert here]

a =5%

Test Statistic:

[insert here]

Decision Rule:

[insert here]

Conclusion:

[insert here]

4) In words, carefully explain whether you would remove any of the independent variables from the regression. (4 marks)

[insert explanation here]

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