Practice Standard Deviation and Coefficient of Variation - 15.7.2.2 | 15. Rainfall Data in India | Hydrology & Water Resources Engineering - Vol 1
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15.7.2.2 - Standard Deviation and Coefficient of Variation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define standard deviation in your own words.

💡 Hint: Think about consistency and variation.

Question 2

Easy

What does a high standard deviation indicate?

💡 Hint: Consider how rainfall might vary.

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 standard deviation measure?

  • The average value
  • The variability of data
  • The total sum of data

💡 Hint: It’s related to how 'spread out' your data is.

Question 2

True or False: A lower coefficient of variation indicates less relative variability.

  • True
  • False

💡 Hint: Consider what 'relative variability' implies.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the following monthly rainfall data for a region: Jan: 80 mm, Feb: 90 mm, Mar: 150 mm, Apr: 120 mm, May: 60 mm, June: 200 mm, calculate the standard deviation and CV.

💡 Hint: Calculate the mean first to find standard deviation.

Question 2

Analyze how the difference in CV between two regions (Region A: CV 15%, Region B: CV 30%) impacts agricultural strategies.

💡 Hint: Think about how farmers would react to rainfall forecasts.

Challenge and get performance evaluation