The Standard Error of the Mean Is Calculated by Dividing $\sigma$

question 22

Multiple Choice

The standard error of the mean is calculated by dividing _____ by _____.

• A)\(\sigma\); n²
• B)\(\sigma\); the square root of n
• C)n²; \(\sigma\)
• D)the square root of n; \(\sigma\)

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Definitions:

Extant Species

Refers to species that are currently living and have not gone extinct.

Eusthenopteron

An extinct genus of lobe-finned fish, considered an important precursor to early tetrapods and amphibians.

Acanthostega

An extinct amphibian from the late Devonian period, known as an early tetrapod linking fish to terrestrial vertebrates.

Tiktaalik

An extinct fishlike vertebrate from the late Devonian period, presenting features common to both fish and early tetrapods, bridging an evolutionary gap.