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JEE Mains 26-July-2022 Shift 2 Solved Paper

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Question : 26

Total: 90

The mean and standard deviation of 40 observations are 30 and 5 respectively. It was noticed that two of these observations 12 and 10 were wrongly recorded. If σ is the standard deviation of the data after omitting the two wrong observations from the data, then 38σ2 is equal to _________.

[26-Jul-2022-Shift-2]

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