The Following Numbered Sets of Characters Each Represent a Distinct

question 13

Multiple Choice

The following numbered sets of characters each represent a distinct group of organisms:
1. three toes per foot, feathers, cold-blooded, no finger adaptations
2. three toes per foot, body hair, warm-blooded, opposable thumbs
3. three toes per foot, feathers, warm-blooded, no finger adaptations
4. three toes per foot, body hair, warm-blooded, no finger adaptations
Which of the following choices is the most likely to represent the order in which these groups would appear on an evolutionary tree, from oldest to youngest group? (Hint: the more primitive characters are cold-bloodedness, feathers, and no finger adaptations.) "

• A)1, 2, 3, 4
• B)4, 2, 3, 1
• C)1, 3, 4, 2
• D)2, 1, 4, 3

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Definitions:

Error of Estimation

Error of estimation is the discrepancy between an estimated value and the true value of a parameter being estimated.

Sampling Error

The error caused by observing a sample instead of the whole population, affecting the precision of statistical estimates.

Population Standard Deviation

The square root of the variance in a population, reflecting how much individual data points in the entire population deviate from the population mean.

Confidence Level

The degree of certainty or probability with which a parameter of a population is estimated.