Use the Data Given Below to Answer the Following Question(s)

question 50

Multiple Choice

Use the data given below to answer the following question(s) .
Following is an extract from the database of a construction company.The table shows the height of walls in feet and the cost of raising them.The estimated simple linear regression equation is given as Ŷ = b0 + b1X.(Hint: Use Excel functions) .
$$\begin{array} { | r | r | } \hline \begin{array} { l } \text { Height } \\\text { (ft) }\end{array} & \text { Cost (\$) } \\\hline 4 & 670 \\\hline 3 & 430 \\\hline 7 & 810 \\\hline 9 & 1100 \\\hline 6 & 790 \\\hline 8 & 880 \\\hline 5 & 760 \\\hline 11 & 1200 \\\hline\end{array}$$
-What is the value of the coefficient b₁?

• A)86.81704
• B)254.8371
• C)0.010697
• D)-2.14625

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Definitions:

Progressive Tax

A tax system in which tax rates increase as the taxable amount increases, placing a higher tax burden on individuals with higher incomes.

Regressive Tax

A tax imposed in such a manner that the tax rate decreases as the amount subject to taxation increases, disproportionately affecting lower-income individuals.

Tax Payments

The compulsory contributions to state revenue levied by the government on workers' income and business profits or added to the cost of some goods, services, and transactions.

International Trade

The exchange of goods and services across international borders or territories, involving imports and exports.