If the Difference Between Your Sample Mean and the Known

question 10

Essay

If the difference between your sample mean and the known population mean is 1.961, and your population standard deviation is 5, how big of a sample size would you need to get a significant result using α = .05 and a two-tailed test?

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Definitions:

Head Erect

An upright positioning of the head, typically used to improve breathing or digestion.

Vertebrae Straight

A condition or state where the vertebrae are aligned in a straight formation, avoiding abnormal curvature of the spine.

Body Alignment

The optimal placement of body parts so that the bones and joints are in correct anatomical position, minimizing strain and maximizing function.

Equilibrium

A state of physical balance or a condition where all competing influences are balanced.