Question: (b) = 562 =562, = 7 =7, n = 113 n=113 Mean ( x x ): x = 562 x =562 Variance ( x 2
(b) = 562 =562, = 7 =7, n = 113 n=113 Mean ( x x ): x = 562 x =562 Variance ( x 2 x 2 ): x 2 = 7 2 113 = 49 113 0.4336 x 2 = 113 7 2 = 113 49 0.4336 Standard Deviation ( x x ): x = 7 113 0.6583 x = 113 7 0.6583
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