Given a Sample Mean of 27 and a Sample Standard

question 38

Multiple Choice

Given a sample mean of 27 and a sample standard deviation of 3.5 computed from a sample of size 36, find a 95% confidence interval on the population mean.

• A) [25.8158, 28.1842]
• B) [25.8170, 28.1830]
• C) [26.0142, 27.9858]
• D) [26.9930, 27.0070]

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Definitions:

Guthrie Test

A screening test for newborns to detect metabolic disorders, using a blood sample from the baby's heel.

PKU

Phenylketonuria, a genetic disorder leading to the buildup of phenylalanine in the body, causing intellectual disability and other health issues if untreated.

Congenital Hypothyroidism

A condition present at birth where the thyroid gland doesn't produce enough thyroid hormone, leading to growth and developmental delays.

Phenylketonuria

A genetic disorder characterized by an inability to metabolize the amino acid phenylalanine, leading to brain and developmental issues.