The Standard Deviation and Variance for the data: 2,4,5,6,8,17 (a) (4.8 , 23.3) (b) (4.8 , 23.3) (c) (4.8 , 23.3) (d) (4.83, 23.33)
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Correct option is
D 93.32
Given observation is, 4, 8, 10, 12, 16, 34.
Here n = = 6, x² = 4² +8² +10² +12² +16² +34²
1736, x₁ = 4+8+10+12+ 16 +34 = 84
Hence required variance = Ex² - (2x)² = n
93.33
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