Page 72 - COVER STATISTIKA JUNIOR

f = 6

P = 7

 10 n − F   10 50 −  2
P10 = b + P  100  = 58,5 + 7  100  = 58,5 + 3,5 = 62
 f   6 

90 ( 50 + ) 1 459 9
➢ Letak P90 = = = 45
100 10 10
P90 terletak pada kelas : 87 -93

b = 86,5

F = 2 + 6 + 7 +20 + 8 = 43

f = 4

P = 7

 90 n − F   90 50 − 43 
P90 = b + P  100  = 86,5 + 7  100  = 86,5 + 3,5 = 90
 f   4 

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