A Company That Employs a Large Number of Salespeople Is

question 9

Essay

A company that employs a large number of salespeople is interested in learning which of the salespeople sell the most: those strictly on commission, those with a fixed salary, or those with a reduced fixed salary plus a commission. The previous month's records for a sample of salespeople are inspected and the amount of sales (in dollars) is recorded for each, as shown in the table.
$\begin{array}{ccc}\text { Commissioned } & \text { Fixed Salary } & \text { Commission Plus Salary } \\\$ 507 & \$ 425 & \$ 492 \\\$ 450 & \$ 443 & \$ 492 \\\$ 532 & \$ 437 & \$ 470 \\\$ 483 & \$ 432 & \$ 439 \\\$ 466 & \$ 444 & \\\$ 410 & &\end{array}$

$\begin{array}{lrccc}\hline \text { ANALYSIS OF VARIANCE } & \text { DF } & \text { SS } & \text { MS } & \text { F } \\\text { SOURCE } & 2 & 4195 & 2097.7 & 3.17 \\\text { FACTOR } & 12 & 7945 & 662.1 & \\\text { ERROR TOTAL } & 14 & 12140 & & \\\hline\end{array}$

Test to determine if a difference exists in the mean sale amounts among the three compensation systems. Test using $\alpha = .025$ .

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Definitions:

NPO

An abbreviation for "nil per os," a medical instruction meaning to withhold oral food and fluids from a patient.

IV Fluids

Solutions administered intravenously to replenish fluids, supply nutrients, and deliver medications directly into the bloodstream.

Ventilator-Dependent

Requiring the assistance of a mechanical ventilator to support or replace spontaneous breathing due to respiratory failure.

Aspiration Risk

The danger of breathing in foreign objects (like food, liquids, or vomit) into the lungs, which can cause pneumonia or other serious lung issues.