Practice Deviation from the Mean - 1.4.2 | Unit 11: Measurement and Data Processing | IB Grade 11: Chemistry
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Knowledge

1.4.2 - Deviation from the Mean

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the deviation of a measurement of 8 from a mean of 10?

💡 Hint: Remember to subtract the mean from the measurement.

Question 2

Easy

What is the mean of the following numbers: 2, 4, 6, 8?

💡 Hint: Add the numbers and divide by how many there are.

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 deviation measure?

  • The mean value
  • Difference from mean
  • Absolute error

💡 Hint: Think about what deviation signifies in statistical data.

Question 2

Is standard deviation a measure of accuracy or precision?

  • True
  • False

💡 Hint: Reflect on the difference between consistency and correctness.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the following set of measurements: 10, 12, 14, 16, and 18. Calculate the mean and standard deviation, then interpret what the results indicate about the data's reliability.

💡 Hint: Don't forget the step of calculating squared deviations when finding standard deviation.

Question 2

Experiment X has a mean of 100 and a standard deviation of 20. Experiment Y has a mean of 100 and a standard deviation of 10. Which experiment demonstrates greater precision, and why?

💡 Hint: Consider the spread of each set of measurements around their mean.

Challenge and get performance evaluation