Use the Data Given Below to Answer the Following Questions)

question 30

Multiple Choice

Use the data given below to answer the following questions) .
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) . $$\begin{array} { | r | r | } \hline \text { Height ft) } & \text { Cost \$) } \\\hline 4 & 670 \\\hline 3 & 430 \\\hline 7 & 810 \\\hline 9 & 1100 \\\hline 6 & 790 \\\hline 8 & 880 \\\hline 5 & 760 \\\hline 11 & 1200 \\\hline\end{array}$$
-Which of the following is true about Excel outputs Multiple R?

• A) It is often referred to as the coefficient of determination.
• B) A value of 0 indicates positive correlation.
• C) A negative slope of the regression line denotes a positive Multiple R.
• D) It is another name for the sample correlation coefficient, r.

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Definitions:

Ananda Temple

A Buddhist temple in Bagan, Myanmar, known for its grand architecture and four standing Buddha statues, each facing a cardinal direction.

Bayon

A richly decorated Khmer temple at Angkor in Cambodia, famous for its serenely smiling stone faces and intricate bas-reliefs.

Counter Instruction

In programming, it is a command or function that counts occurrences, often used in loops or to track the number of events.

Done Bit

A control bit that indicates the completion of an operation in programmable logic controllers or other digital systems.