In a Statistics Class, 10 Scores Were Randomly Selected with the Following

question 130

Multiple Choice

In a statistics class, 10 scores were randomly selected with the following results (mean = 71.5) : 74, 73, 77, 77, 71, 68, 65, 77, 67, 66. What is the range?

• A) 22.72
• B) 12.00
• C) 4.77
• D) 516.20
• E) 144.00

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Definitions:

Chromosomal DNA

The material in cells that contains the genetic blueprint in the form of DNA organized into chromosomes.

Gram-negative

Refers to a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation but are colored red or pink.

Gram-positive

Refers to bacteria that retain a primary stain and appear purple under a microscope after a Gram staining procedure, typically having a thick peptidoglycan layer.

Laboratory Test

A procedure carried out under controlled conditions to determine the effectiveness, safety, or composition of a substance.