Read the Following Scenario, and Answer the Questions Below

question 34

Multiple Choice

Read the following scenario, and answer the questions below.

THE EXPERIMENT:
Researchers wanted to determine whether pesticide Z is effective at killing grasshoppers that typically invade cornfields. Two 10- acre cornfields located 1 mile apart were chosen. The cornfield to the west was sprayed only with water. The cornfield on the east received the same amount of water with a 10% solution of pesticide Z. The number of grasshoppers in the fields was recorded every week for 10 weeks.

RESULTS:
The number of grasshoppers in the west field treated only with water doubled after 10 weeks.
The number of grasshoppers in the east field treated with pesticide Z declined by 50% after 10 weeks.

-Which field was the control?

• A)The west field
• B)The east field
• C)Both fields were controls for one another.
• D)There were no controls in this experiment.

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Definitions:

Percentage Change

A mathematical calculation that indicates the degree of change over time, representing the difference between an old and new value as a percentage of the old value.

Traceable Fixed Expense

A fixed cost that can be directly linked to a specific segment of a business and would disappear if the segment did not exist.

Net Operating Income

The profit generated from a company's normal business operations, excluding income from investments and other secondary sources.

Price Decrease

A reduction in the selling price of goods or services, often used as a strategy to boost sales volumes or remain competitive.