Ex 15.2, 1 - Find mean and variance for 6, 7, 10, 12, 13 - Standard deviation and variance - Ungrouped data

  1. Chapter 15 Class 11 Statistics
  2. Serial order wise
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Ex 15.2, 1 Find the mean and variance for the data 6, 7, 10, 12, 13, 4, 8, 12 Variance = (โˆ‘โ–’(๐‘ฅ_๐‘– โˆ’ ๐‘ฅย ฬ… )^2 )/๐‘› = 74/8 =๐Ÿ—.๐Ÿ๐Ÿ“

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