A Researcher Calculates a Mean from a Sample of 37 $\mu$

question 17

Multiple Choice

A researcher calculates a mean from a sample of 37 people. The following hypotheses are stated: H₀: $\mu$ = 40 and H₁: $\mu$ $\neq$ 40. For $\alpha$ = .05, what is an appropriate critical value for his statistic?

• A) \(\pm\) 2.00
• B) \(\pm\) 1.96
• C) -1.65
• D) -1.6

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Definitions:

Pituitary Gland

A small endocrine gland in the brain involved in regulating vital body functions and general wellbeing, through the secretion of hormones.

Growth Spurt

A rapid period of growth, typically occurring during puberty, in which the body experiences significant physical changes.

Somatic Nervous System

The part of the peripheral nervous system associated with voluntary movement of body muscles as well as the reception of external stimuli.

Voluntary Movements

Movements that are consciously controlled and directed by the brain, such as walking or waving.