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HOMEWORK 2 O Use the following date: Find ! 91 a . Morn b. modian C. mode d. Range c. Variance 32 f. Standard deviation

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HOMEWORK 2 O Use the following date: Find ! 91 a . Morn b. modian C. mode d. Range c. Variance 32 f. Standard deviation 29 68 11 12 68 (First, arrange the data in ascending order). Prove ECX - X ) = 0 using summation rules. 3. Prove the formula of variance 5x- (X-2 can be expanded to become : 9, Ex' (axilla using summation rules

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