A Researcher Computes the Definitional Formula for SS,as Finds That

question 75

Multiple Choice

A researcher computes the definitional formula for SS,as finds that ∑(x-M) = 112.If this is a sample of 20 scores,then what would the value of population variance be using the computational formula?

• A)5.6
• B)5.9
• C)112
• D)not possible to know because the scores are not given

---

Definitions:

Earthworm

A type of invertebrate belonging to the class Oligochaeta, known for its segmented body and role in aerating and enriching soil.

Clitellum

A thickened, glandular section of the body found in certain worms, like earthworms, important for reproduction.

Cocoon

A protective casing spun by the larvae of many insects (like moths and butterflies) and some other animals, where they undergo metamorphosis into their adult forms.

Clams

Aquatic bivalve mollusks known for their soft bodies enclosed within a hinged shell, often consumed as seafood or used in research.