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

question 47

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) .
$$\begin{array} { | r | r | } \hline \begin{array} { l } \text { Height } \\\text { (ft) }\end{array} & \text { Cost (\$) } \\\hline 4 & 670 \\\hline 3 & 430 \\\hline 7 & 810 \\\hline 9 & 1100 \\\hline 6 & 790 \\\hline 8 & 880 \\\hline 5 & 760 \\\hline 11 & 1200 \\\hline\end{array}$$
-For a simple linear regression model, significance of regression is:

• A)a measure of how well the regression line fits the data.
• B)a hypothesis test of whether the regression coefficient ß1 is zero.
• C)a statistic that modifies the value of R² by incorporating the sample size and the number of explanatory variables in the model.
• D)the variability of the observed Y-values from the predicted values.

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Definitions:

Cash Flow Problems

Arise when an organization struggles to maintain sufficient cash inflows to meet its outgoing financial obligations.

Human Limitations

Refers to the natural constraints on what individuals can physically and mentally achieve.

Best Alternative

The most desirable option available to a person or entity when their first choice is not feasible.

Financial Institution

A company engaged in the business of dealing with monetary transactions, such as banks, credit unions, and investment firms.