
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Examples
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Example 6 (Normal Method)
Example 6 (Shortcut Method) Important
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Question 1 Deleted for CBSE Board 2024 Exams
Question 2 Important Deleted for CBSE Board 2024 Exams
Question 3 Important Deleted for CBSE Board 2024 Exams
Last updated at May 29, 2023 by Teachoo
Example 9 Find the variance and standard deviation for the following data: First we will calculate mean Now, finding variance 2 = 1374 =30 Variance ( 2) = 2 = 1374 30 = 45.8 Standard deviation ( ) = 45.8 = 6.76