🎓 IB Exam Prep

What is the standard deviation a measure of?

A The average of a data set
B How spread out data values are from the mean
C The largest value in a data set
D The number of data points

✓ Correct Answer: Option B

Standard deviation measures the dispersion or spread of data points around the mean. Higher SD = more spread out.

💡 Why is B) the correct answer?

The correct answer to the question "What is the standard deviation a measure of?" is Option B: How spread out data values are from the mean.

The other options — A) The average of a data set, C) The largest value in a data set, D) The number of data points — are incorrect for this IB Exam Prep question. As explained above: Standard deviation measures the dispersion or spread of data points around the mean. Higher SD = more spread out.

📚 About This IB Exam Prep Practice Question

This 2-level IB 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 IB Exam Prep practice test or use flashcards for spaced repetition review.

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