If an Estimated Regression Line Has a Y-Intercept of 10

question 85

Multiple Choice

If an estimated regression line has a y-intercept of 10 and a slope of 4,then when x = 2 the actual value of y is:

• A)18
• B)15
• C)14
• D)unknown.

Understand the concepts of mean, median, standard deviation, and range in data sets.

Calculate the mean and standard deviation from given data.

Apply the Empirical Rule to mound-shaped distributions to determine the percentage of data within one, two, or three standard deviations from the mean.

Use Tchebysheff's Theorem for any shaped distribution to estimate the proportion of observations within a certain number of standard deviations from the mean.

---

Definitions:

Private Interests

Interests or objectives pursued by individuals or entities primarily for their own benefit rather than for the common good.

Social Interests

The collective welfare and interests of a community or society as a whole, often considered in policy-making and economics.

Unfair

An act or circumstance that is unjust, biased, or inequitable, often violating ethical standards or social norms.

Behavioral Economists

Specialists in a field of economics that explores how psychological, social, cognitive, and emotional factors affect the economic decisions of individuals and institutions.