Practice Standard Deviation (σ) - 4.3 | 1. Descriptive Statistics | IB Class 10 Mathematics – Group 5, Statistics & Probability
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4.3 - Standard Deviation (σ)

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the standard deviation of the data set {4, 4, 4, 4, 4}.

💡 Hint: Think about how closely or far values are from the mean.

Question 2

Easy

What does a standard deviation of 0 indicate?

💡 Hint: Consider what it means if every score is the same.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does a higher standard deviation indicate?

  • A: Data points are close to the mean
  • B: Data points are spread out
  • C: There is no variability

💡 Hint: Think about the definition of variability.

Question 2

True or False: A standard deviation of 0 indicates that there is variability in the data.

  • True
  • False

💡 Hint: What happens if all numbers are identical?

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze the following set of scores: 50, 60, 80, 90, 100. Discuss the implications of the calculated standard deviation and how it could influence decisions in an academic setting.

💡 Hint: Consider what the scores imply about the overall understanding of the students.

Question 2

Given two different datasets with the same mean but different standard deviations, explain how this could affect their interpretation.

💡 Hint: Reflect on how variability in scores can inform educational strategies.

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