If the Population Deviation Is Known and We Wish

question 82

Multiple Choice

If the population deviation is known and we wish to estimate the population mean with 95% confidence, which of the following would be the appropriate critical z-value to use?

• A) 1.28
• B) 1.645
• C) 1.96
• D) 2.33

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Definitions:

Gastrocnemius

A major calf muscle that is involved in walking, running, and jumping, contributing to the movement of the ankle and knee.

Extensor Digitorum Longus

A muscle in the leg that helps to extend the toes and dorsiflex the foot, playing a key role in walking.

Lateral Toes

The toes located on the outer sides of the feet, important for balance and supporting walking gait.

Tibialis Anterior

A muscle in the lower leg that dorsiflexes and inverts the foot, playing a key role in walking and balance.