Two Agronomists Analyzed the Same Data, Testing the Same Null

question 47

Multiple Choice

Two agronomists analyzed the same data, testing the same null hypothesis about the proportion of tomato plants suffering from blight. One rejected the hypothesis but the other did not. Assuming neither made a mistake in calculations, which of these possible explanations could account for this apparent discrepancy?
I. One agronomist wrote a one-tailed alternative hypothesis, but the other used 2 tails.
II. They wrote identical hypotheses, but the one who rejected the null used a higher a-level. III. They wrote identical hypotheses, but the one who rejected the null used a lower a-level.

• A) II only
• B) I only
• C) III only
• D) I or III
• E) I or II

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Definitions:

Brush Border Cells

Epithelial cells found in the intestinal lining and kidney, characterized by a densely packed layer of microvilli on their apical surface to enhance absorption.

Absorbed

The process by which substances are taken into a more condensed form or into a different medium, such as liquids being taken up by solids.

Small Molecules

Chemical substances that are not very large, typically having a low molecular weight, and often used in pharmacology and biochemistry.

Calcium

A mineral essential for human life, involved in bone formation, muscle contraction, and many other physiological processes.