What is the standard deviation a measure of?

A Central tendency

B Spread or dispersion from the mean

C The middle value

D The most frequent value

✓ Correct Answer: Option B

Standard deviation measures how spread out data points are from the mean.

💡 Why is B) the correct answer?

The correct answer to the question "What is the standard deviation a measure of?" is Option B: Spread or dispersion from the mean.

The other options — A) Central tendency, C) The middle value, D) The most frequent value — are incorrect for this ACT Exam Prep question. As explained above: Standard deviation measures how spread out data points are from the mean.

📚 About This ACT Exam Prep Practice Question

This 2-level ACT Exam Prep question from the Mathematics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free ACT Exam Prep practice test or use flashcards for spaced repetition review.

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What is the standard deviation a measure of?

✓ Correct Answer: Option B

📚 About This ACT Exam Prep Practice Question

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