A Transect Is an Archaeological Study Area That Is Mile $$\frac { 1 } { 5 }$$

question 20

Multiple Choice

A transect is an archaeological study area that is mile wide and 1 mile long. A site in a transect is the location of a significant archaeological find. Let x represent the number of sites per transect. In a section of Chaco Canyon, a large number of transects showed that x has a population variance In a different section of Chaco Canyon, a random sample of 24 transects gave a sample variance for the number of sites per transect. Use an to test the claim that the variance in the new section is greater than 42.1. $$\frac { 1 } { 5 }$$ $\sigma ^ { 2 } = 42.1$ $s ^ { 2 } = 57.7$ $\alpha = 0.1$ What are the degrees of freedom?

• A)26
• B)23
• C)24
• D)27
• E)25

---

Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of an extra 21st chromosome, characterized by distinct physical features and varying degrees of cognitive impairment.

Chromosomes

Filamentous entities found within the nucleus of both animal and plant cells, composed of protein and a single DNA molecule, responsible for transferring genetic data.

Turner Syndrome

A genetic disorder affecting females, characterized by the partial or complete absence of one of the X chromosomes.

XY Sex Chromosomes

A combination of two sex chromosomes, X and Y, that typically determines male gender in humans and most other mammals; the presence of a Y chromosome usually leads to the development of male physical characteristics.