Scores on a Test Have a Mean of 74 and a Standard

question 67

Multiple Choice

Scores on a test have a mean of 74 and a standard deviation of 12. Michelle has a score of 50. Convert Michelle's score to a z-score.

• A) 24
• B) -24
• C) 2
• D) -2

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Definitions:

Unstable Negative Charge

A condition or state where an atom or molecule holds a negative charge that is prone to change or react due to external forces.

Stable Negative Charge

An attribute of particles or objects that possess a charge that does not change sign and remains negative.

Stable Positive Charge

An atomic or subatomic particle's constant state of having more protons than electrons, resulting in a net positive charge.

Unstable Positive Charge

Refers to a positive ion (cation) that lacks stability, often making it highly reactive and short-lived.