In your new role as a data scientist for a logging company, you build aregression for the value of a tree (in $). The regression output belowestimates the value of a tree (in $) based on independent variables for theage of the tree in years (Age), the height of the tree in feet (Height) and thediameter of the tree in inches (Diameter).StandardCoefficientst Stat P-valueErrorIntercept25.7418.651.380.168Age6.573.631.810.070Height30.8411.512.680.007Diameter36.8017.362.120.034What would the coefficient on Diameter be if diameter was measured infeet, not inches? Note that 12 inches = 1 foot.Please round your answer to 2 decimal places.

The coefficient on the diameter is given by 36.80 inches.

Answered: In your new role as a data scientist…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results. Coefficients Standard Error t-Stat p-value Intercept −12.201 6.560 −1.860 0.100 Number of contacts 2.195 0.176 12.505 0.000 What is the regression equation? Multiple Choice Ŷ = 2.195 − 12.201X Ŷ = −12.201 + 2.195X Ŷ = 12.201 + 2.195X Ŷ = 2.195 + 12.201X
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