In a Randomized Experiment, If There Are Large Differences in Outcomes

question 22

Multiple Choice

In a randomized experiment, if there are large differences in outcomes among the treatment groups, we can conclude that the differences are due to _____________________.

• A) random luck
• B) the treatments
• C) experimental error
• D) deliberate data manipulation

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Definitions:

Variable Cost

Costs that fluctuate in direct proportion to changes in levels of output or activity within a business.

Fixed Cost

Expenses that do not change in total over a certain range of activity levels or time periods, such as rent, salaries, and equipment leases.

Administrative Expense

Costs associated with the general administration of a business, including salaries of senior executives, legal and financial fees, and other general expenses.

Fixed Cost

Overheads that are not affected by the volume of production or sales, covering rent, employee salaries, and insurance fees.