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

question 3

Multiple Choice

A study on the oxygen consumption rate (OCR) of sea cucumbers involved a random sample of size 10 at 15oC and 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 (assume equal variability) the critical value would be (assume $a$ $=$ .05)

• A) 1.746
• B) 1.761
• C) 2.131
• D) 2.145

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Definitions:

WACC

Weighted Average Cost of Capital, a calculation that reflects the average rate that a company is expected to pay its security holders to finance its assets.

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a dataset, assigning weights accordingly.

Cost of Capital

The expected returns an investor requires to make an investment worthwhile, often used as a benchmark to evaluate the viability of investment projects.

Basic Assumption

A fundamental premise or underlying principle that is taken for granted in the context of a particular model, theory, or methodology.