The Mean Weight of Newborn Infants at a Community Hospital

question 92

Multiple Choice

The mean weight of newborn infants at a community hospital is 6.6 pounds.A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0,7.3,6.0,8.8,6.8,8.4,and 6.6 pounds.What is the sample variance?

• A)1.177
• B)6.6
• C)1.385
• D)7.6

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Definitions:

Vertebrates

Animals with a backbone or spinal column, including mammals, birds, reptiles, amphibians, and certain fish.

Primate Lineage

The evolutionary path and family tree of the primate order, which includes humans, monkeys, and apes.

Lemurs

A diverse group of primates native to Madagascar, known for their large eyes and nocturnal habits, playing key roles in their ecosystems.