I If the Critical Values of the Test Statistic Z $\pm$

question 23

Multiple Choice

i. If the critical values of the test statistic z are $\pm$ 1.96, they are the dividing points between the areas of rejection and non-rejection. ii. The probability of a Type I error is also referred to as alpha.
iii. A Type I error is the probability of rejecting a true null hypothesis.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Erector Spinae

A group of muscles and tendons which run nearly the entire length of the spine, helping to extend and straighten the back.

Vertebral Column

The series of vertebrae extending from the skull to the tailbone, forming the backbone that supports the skeleton.

Interspinales

Muscles located between the spinous processes of the vertebrae, playing a role in stabilizing and extending the spine.

Multifidus

A deep muscle of the back that stabilizes the spine during movement and helps maintain proper posture.