Practice ARITHMETIC MEAN - 5.2 | 5. Measures of Central Tendency | CBSE 11 Statistics for Economics
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Practice Questions

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Question 1

Easy

Calculate the mean of the following numbers: 10, 20, 30.

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

Question 2

Easy

What is the formula for finding the Arithmetic Mean?

💡 Hint: Identify what each component represents first.

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 Arithmetic Mean?

  • The sum of all observations
  • The middle value
  • Most frequent value
  • The sum of observations divided by their count

💡 Hint: Recall the definition of mean.

Question 2

True or false: The mean is affected by extreme values.

  • True
  • False

💡 Hint: Think about how an outlier changes the average.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A restaurant records the following daily income for a week. Calculate the mean and comment on the impact of a high outlier: Rs 200, Rs 250, Rs 300, Rs 500, Rs 2000.

💡 Hint: Compare the mean with the rest of the values.

Question 2

Discuss how the mean differs from the median in a dataset where the values are Rs 1, Rs 1, Rs 1, Rs 1, Rs 100. Calculate both.

💡 Hint: Identify the central positions for both calculations.

Challenge and get performance evaluation