A) $\overline{y}$ = 60; R = 0 $\overline{y}$ = 180; R = -0

question 51

Multiple Choice

$$\begin{array} { c | c | c | c | c | l } \overline { \mathrm { x } } & \mathrm { s } _ { \mathrm { x } } & \overline { \mathrm { y } } & \mathrm { s } _ { \mathrm { y } } & \mathrm { r } & \hat { \mathrm { y } } = \mathrm { b } _ { 0 } + \mathrm { b } _ { 1 \mathrm { x } } \\\hline 3.0 & 1.2 & ? & 120 & ? & \hat { \mathrm { y } } = - 120 + 60 \mathrm { x }\end{array}$$

• A) \(\overline{y}\) = 60; r = 0.60
• B) \(\overline{y}\) = 180; r = -0.60
• C) \(\overline{y}\) = -117; r = 0.50
• D) \(\overline{y}\) = -48; r = 0.03
• E) \(\overline{y}\) = -300; r = 0.50

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Definitions:

Implicit Marginal Tax Rate

The amount of additional (marginal) earnings that must be paid explicitly in taxes or implicitly in the form of reduced income supplements. The marginal tax rate establishes the fraction of an additional dollar earned that an individual is permitted to keep, so it is an important determinant of the incentive to work and earn.

Poverty Level

The minimum level of income deemed necessary to achieve an adequate standard of living in a given country or region.

HealthCare Crisis

A critical situation that arises due to the inability of the healthcare system to adequately provide for the medical needs of the population.

Competitiveness

The ability of a company, country, or product to compete with others effectively in the market.