Using the Following Data, the Wilcoxon Signed-Rank Hypothesis Test Is

question 17

Multiple Choice

Using the following data, the Wilcoxon Signed-Rank hypothesis test is used to test the hypothesis that there is no difference between the before and after populations. What are the sum of the ranks?

• A) 4 and 6
• B) 5
• C) 17
• D) 6 and -11

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Definitions:

Hypocotyl

The part of the axis of a plant embryo or seedling below the point of attachment of the cotyledons.

Radicle

The embryonic root of a plant, which is the first part to emerge from a germinating seed, enabling the seedling to anchor to the soil and absorb water.

Cotyledons

The first leaves that appear from a germinating seed, essential for photosynthesis and nutrient storage during early plant development.

Nicotine

An addictive substance found in tobacco, acting as a stimulant in low doses and a relaxant in higher doses, affecting the nervous system.