Pi = αo + α₁x₁ + α ₂²₁ + αzW₁ + Uj, for i = 1,...,93, where the individual variables are defined in the table below: Variable Description Pi Pounds per month for property i X₂ The apparent age of the property i Z₁ Wi Area per room in square meters of property i Distance in kilometres of property i to the nearest shopping centre The parameter estimates and their t-ratios are given in the following table: Variable Parameter estimate t-ratio Constant 60 23.45 Xi -43.12 -49.34 Z₁ 8.22 14.23 40 55 60 7

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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4

Using the estimation results, compute a 99% confidence interval for the coefficient on zi. Give an economic interpretation of the result.

Your friend works for an estate agency. He would like to understand what
characteristics influence monthly rents of properties. Therefore, he plans to estimate
the following regression model:
P₁ = αo + α₁x₁ + α₂²¡ + αzW; + Uj,
for i = 1,...,93, where the individual variables are defined in the table below:
Variable
Description
Pi
Pounds per month for property i
Xi
The apparent age of the property i
Z₁
Area per room in square meters of property i
Wi
Distance in kilometres of property i to the nearest
shopping centre
The parameter estimates and their t-ratios are given in the following table:
Variable
Parameter estimate
t-ratio
Constant
60
23.45
-43.12
-49.34
Z;
8.22
14.23
W₁
-40.55
-60.7
Transcribed Image Text:Your friend works for an estate agency. He would like to understand what characteristics influence monthly rents of properties. Therefore, he plans to estimate the following regression model: P₁ = αo + α₁x₁ + α₂²¡ + αzW; + Uj, for i = 1,...,93, where the individual variables are defined in the table below: Variable Description Pi Pounds per month for property i Xi The apparent age of the property i Z₁ Area per room in square meters of property i Wi Distance in kilometres of property i to the nearest shopping centre The parameter estimates and their t-ratios are given in the following table: Variable Parameter estimate t-ratio Constant 60 23.45 -43.12 -49.34 Z; 8.22 14.23 W₁ -40.55 -60.7
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