Given Below Are Four Observations Collected in a Regression Study $\alpha$

question 82

Essay

Given below are four observations collected in a regression study on two variables x (independent variable) and y (dependent variable).
a.Develop the least squares estimated regression equation.
b.At 95% confidence, perform a t test and determine whether or not the slope is significantly different from zero.
c.Perform an F test to determine whether or not the model is significant. Let $\alpha$ = 0.05.
d.Compute the coefficient of determination.

---

Definitions:

Average Fixed Cost

The total fixed costs of production divided by the quantity of output produced, illustrating how fixed costs spread over units decrease with increased production.

Antitrust Action

Legal measures taken by governments to prevent or reduce monopolies and promote competition among businesses.

Economies of Scale

Cost advantages that businesses obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Competitive Industry

An industry characterized by many firms competing against each other, with low barriers to entry and products that are similar but not identical.