Practice Mean (Arithmetic Average) - 1.4.1 | Unit 11: Measurement and Data Processing | IB Grade 11: Chemistry
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Knowledge

1.4.1 - Mean (Arithmetic Average)

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the mean of the following numbers: 6, 8, 7, 10.

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

Question 2

Easy

Find the mean of these three measurements: 1.5, 2.0, 2.5.

💡 Hint: Summing the numbers helps find the total before dividing.

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 is the formula for calculating the mean?

  • Sum of values divided by number of values
  • Product of values divided by number of values
  • Maximum value minus minimum value

💡 Hint: Think about how averages are typically calculated.

Question 2

True or False: The mean is influenced by outliers.

  • True
  • False

💡 Hint: Consider how extreme values might affect an average.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A sample of temperatures measured during a week in Celsius is: 22, 24, 28, 23, 30. Calculate the mean temperature, the standard deviation, and interpret the results regarding the overall trend.

💡 Hint: Calculate the total sum, divide, and find the spread of each value from the mean.

Question 2

You have the following set of numbers: 5, 8, 12, 14, and 29. Calculate the mean and discuss how the outlier affects the overall mean.

💡 Hint: Calculate the mean both with and without the outlier and compare.

Challenge and get performance evaluation