Iron Has an Important Metabolic Function In

question 15

Multiple Choice

Iron has an important metabolic function in:

• A) oxygen transport.
• B) thyroxine synthesis.
• C) calcium and phosphorus balance.
• D) neutralizing gastric secretions.

---

Definitions:

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it defines the boundary for the region of rejection.

Power

The probability that a statistical test will correctly reject a false null hypothesis, effectively detecting an actual effect.

Type II Error

The mistake of failing to reject a false null hypothesis, also known as a "false negative" finding.

Dependent-Samples T-Test

A statistical test used to compare the means of two related groups, indicating if any difference between them is statistically significant.