A) 15666667
B) 65

question 27

Multiple Choice

$$\begin{array}{l}\text { Use the given set of points to compute the sum of squares for } x , \sum ( x - \bar { x } ) ^ { 2 } \text {. }\\\begin{array} { c | c c c c c c } x & 13 & 13 & 20 & 16 & 12 & 20 \\\hline y & 55 & 59 & 89 & 72 & 56 & 85\end{array} \quad x = 17\end{array}$$

• A) 15.666667
• B) 65.333333
• C) 2.475389
• D) 4.112245

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Definitions:

Lower Three Quintiles

The bottom 60% of the population when divided by income or wealth, often used in analyses of income distribution.

Income

The monetary payment received by an individual or household for labor, investment, or other sources over a specific period.

Poverty Rate

The proportion of a population living below the poverty line, indicating the percentage of people who cannot afford basic needs like food, shelter, and healthcare.

Upper Two Quintiles

The section of a population that falls into the top 40% in terms of income or wealth distribution, often used in socio-economic analyses.