Shown Below Is a Portion of a Computer Output for a Regression

question 35

Essay

Shown below is a portion of a computer output for a regression analysis relating Y demand) and X unit price).
ANOVA
$\begin{array}{lrr}&df&SS\\\text { Regression } & 1 & 5048.818 \\\text { Residual } & 46 & 3132.661 \\\text { Total } & 47 & 8181.479\end{array}$

$\begin{array}{lll}&\text { Coefficients }&\text { Standard Error }\\\text { Intercept } & 80.390 & 3.102 \\\mathrm{X} & -2137 & 0248\end{array}$
a. Perform a t test and determine whether or not demand and unit price are related. Let α = 0.05.
b. Perform an F test and determine whether or not demand and unit price are related. Let α = 0.05.
c. Compute the coefficient of determination and fully interpret its meaning. Be very specific.
d. Compute the coefficient of correlation and explain the relationship between demand and unit price.

---

Definitions:

White House Staff

Employees who work directly for the President of the United States and his or her administration, often within the White House, providing a range of support and advisory functions.

Chief Executive

The highest-ranking executive in a company or government, tasked with making major corporate or policy decisions.

Federal Bureaucracy

The agencies and employees of the executive branch of government that carry out policies, laws, and administrative functions.

Direct Presidential Governance

A form of management where the President uses executive actions, such as executive orders and directives, to govern directly, bypassing the legislative branch.