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  Mascardo, Djeminah Mae Kyla E. Age of the members 24 22 26 21 24 25 25 Range:  24-25= -1 Variance : 1.77 STANDARD DEVIATION Raw Score Method X x 2  24 576 22 484 26 676 21 441 24 576 25 621 25 621 ∑x=167 ∑x 2 = 4003  =  ∑  −  (∑  )    N-1  = √ 4003 − (167)7  7-1  = √ 18.86− 3984.14  7-1  = √ 18.866    = √ 3.14    = 1.77    Deviation Method X (x-x) (x-x) 2 24 0.14 0.02 22 -1.86 3.46 26 2.14 4.58 21 -2.86 8.18 24 0.14 0.02 25 1.14 1.30 25 1.14 1.30 ∑x=167 ∑(x -x) 2 = 18.86 x= 23.86  =  ∑ ( − )  2   N-1  = √ 18.86  7-1  = √ 18.86  6  = √ 3.14  = 1.77  
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