Use the Following Data to Answer the Questions -Choice
-What Is the Slope of the Regression Line?
A)

question 81

Multiple Choice

Use the following data to answer the Questions: .
Let x = time spent studying and y = test score. $$\begin{array} { l r r r r r r r r r r r r } \text { Time spent } & 1 & 2 & 5 & 4 & 6 & 7 & 8 & 5 & 2 & 4 & 3 & 5 \\\text { studying(hours) } & & & & & & & & & & & & \\\text { Test score } & 49 & 57 & 80 & 70 & 88 & 91 & 98 & 80 & 57 & 72 & 65 & 82 \\\text { (percentage) } & & & & & & & & & & & &\end{array}$$ -Choice
-What is the slope of the regression line?

• A) about 2
• B) about 7
• C) about 43
• D) None of the above.

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Definitions:

Transfers

Movements of income or wealth without the exchange of goods or services, such as grants, subsidies, or remittances.

Income Mobility

The ability of individuals or households to move across different income levels or brackets over time.

Income Quintile

A statistical measure dividing the population into five equal groups according to income level, to analyze the distribution of income or wealth.

Income Mobility

Refers to the ability for an individual or family to move up or down the economic ladder within a society over time.