The Following Is Part of the Results of a Regression

question 139

Essay

The following is part of the results of a regression analysis involving sales Y in millions of dollars), advertising expenditures X1 in thousands of dollars), and number of salespeople X2) for a corporation. The regression was performed on a sample of 10 observations.
$\begin{array}{lr}&\text { Coefilicient }&\text { Standard Error }\\\text { Constant } & -11.340&20.412 \\\mathrm{X}_{1} & 0.798 &0.332\\\mathrm{X}_{2} & 0.141&0.278\end{array}$
a. Write the regression equation.
b. Interpret the coefficients of the estimated regression equation found in Part a).
c. At α =0.05, test for the significance of the coefficient of advertising.
d. At α =0.05, test for the significance of the coefficient of number of salespeople.
e. If the company uses $50,000 in advertisement and has 800 salespersons, what are the expected sales? Give your answer in dollars.

Identify the concept of the bullwhip effect and its implications on supply chain fluctuation.

Understand the approach to mitigating supply chain risks through supplier policies as illustrated by Toyota and Hard Rock Café.

Learn the significance of long-term purchase commitments through blanket orders.

Differentiate between the major variations of online catalogues.

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Definitions:

Task-oriented Leadership

A leadership style focused on the efficient completion of tasks and achieving set goals through organizing work and defining roles.

Production-centered Behavior

A management focus that prioritizes efficient production and output over other considerations, such as employee wellbeing.

Collective Benefit

The advantage or positive outcome achieved by a group or community as a whole, rather than individual members.

Follower Ability

refers to the skills, knowledge, and competencies that followers bring to a leader-follower dynamic, influencing leadership effectiveness and group outcomes.