A Study on the Oxygen Consumption Rate (OCR) of Sea

question 28

Multiple Choice

A study on the oxygen consumption rate (OCR) of sea cucumbers involved a random sample of size 10 at 15oC and a second random sample of size 7 kept at 18oC. If one tested the hypothesis that this range
Of temperature had no effect on the OCR, the degrees of freedom for the test statistic would be (assume
Equal variability)

• A) 9
• B) 10
• C) 15
• D) 16

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Definitions:

Economies of Scale

The cost benefits that organizations gain from their operation size, where the cost for each unit of output typically reduces as the scale increases.

Inputs

Inputs are the resources used in the production process to create goods or services, including labor, raw materials, machinery, and capital.

Production

The process of creating goods or services by combining labor, machinery, and materials resources.

Returns to Scale

The rate at which output increases as inputs are increased proportionally.