JEE Main 6 Apr 2024 Shift 1 Solved Paper

Section: Mathematics

Question : 4 of 90

Marks: +1, -0

The mean and standard deviation of 20 observations are found to be 10 and 2, respectively. On respectively, it was found that an observation by mistake was taken 8 instead of 12 . The correct standard deviation is

[6 Apr 2024 Shift 1]

√3.86
1.8
√3.96
1.94

Validate

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