Wednesday, May 28, 2014

Calculation of Variance and Standard Deviation using Grouped Data:

 
 The standard deviation enables us to determine, with great deal of accuracy, where the values of a frequency distribution are located in relation to the mean.

Sample Variance and Standard Deviation




Example: Calculate variance and standard deviation from the following table.
Table 3: Frequency distribution of data of days to maturity 40 short-term investments.

2 comments:

  1. You are doing a great job by sharing useful information about Data Science course. It is one of the post to read and improve my knowledge in Data Science.You can check our What is the Sample Variance, information for more information about Sample Variance tutorial.

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  2. Amazing work guys thanks alot.....

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