A Researcher Performed a Study to Determine Whether an Association

question 72

Multiple Choice

A researcher performed a study to determine whether an association exists between sex and blood type.He obtained the following data from a random sample. $\begin{array}{|l|c|c|c|c|c|}&&\text {Blood Type }\\\hline \text {Sex }& \mathrm{O} & \mathrm{A} & \mathrm{B} & \mathrm{AB} & \text { Total } \\\hline \text { Female } & 115 & 141 & 27 & 13 & 296 \\\hline \text { Male } & 86 & 91 & 26 & 9 & 212 \\\hline \text { Total } & 201 & 232 & 53 & 22 & 508 \\\hline\end{array}$

• A)No,because the data are quantitative.
• B)No,because the sample does not appear to be random.
• C)No,because the expected cell frequency condition is violated.
• D)Yes.
• E)No,because it is not possible to find the residuals.

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Definitions:

Germination

refers to the process by which a plant grows from a seed or similar structure, often requiring specific environmental conditions to begin.

Cotyledons

Seed leaves in plants that store nutrients and supply them to the developing seedling during germination.

Endosperm

A tissue produced inside the seeds of most flowering plants around the time of fertilization. It provides nutrition in the form of starch, though it can also contain oils and protein, to the developing embryo.

Hypocotyl

The part of a seedling's stem situated below the cotyledons and above the root.