Question: FREQUENCY CLASS SCORES (f) MARK fx (x - x )' f( x - x ): (x ) 45-49 40 -44 35 -39 30 - 34

FREQUENCY CLASS SCORES (f) MARK fx (x - x )' f( x - x ): (x ) 45-49 40 -44 35 -39 30

14Complete the table. Solve for the range, variance and standard deviation of

FREQUENCY CLASS SCORES (f) MARK fx (x - x )' f( x - x ): (x ) 45-49 40 -44 35 -39 30 - 34 25 - 29 20 -24 15 - 19 10 - 14Complete the table. Solve for the range, variance and standard deviation of the set of scores below. Show all your solutions and box the final answers. 28 21 19 27 25 48 33 24 42 32 28 37 28 40 15 42 34 30 45 18 34 31 39 13 40 24 36 44 37 16 43 34 31 29 14 20 17 46 41 19

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