One-Sample Z: C1; C2; C3; C4; C5; C6; C7; C8; ... 

The assumed standard deviation = 5


Variable   N   Mean  StDev  SE Mean      99% CI
C1        25   9,92   3,93     1,00  (7,34; 12,49)
C2        25  11,90   5,70     1,00  (9,32; 14,47)
C3        25   8,20   4,65     1,00  (5,62; 10,77)
C4        25  12,44   4,89     1,00  (9,87; 15,02)
C5        25   9,48   4,94     1,00  (6,90; 12,05)
C6        25   8,85   5,61     1,00  (6,27; 11,42)
C7        25  11,64   5,34     1,00  (9,06; 14,21)
C8        25   8,91   4,30     1,00  (6,34; 11,49)
C9        25  10,28   4,87     1,00  (7,70; 12,86)
C10       25  11,87   5,45     1,00  (9,30; 14,45)
C11       25  10,47   3,78     1,00  (7,90; 13,05)
C12       25  11,35   4,43     1,00  (8,77; 13,92)
C13       25  10,16   6,20     1,00  (7,58; 12,74)
C14       25   9,55   4,18     1,00  (6,97; 12,12)
C15       25  11,52   4,29     1,00  (8,94; 14,10)
C16       25   9,21   4,17     1,00  (6,63; 11,79)
C17       25  12,42   4,92     1,00  (9,84; 14,99)
C18       25  10,69   4,08     1,00  (8,12; 13,27)
C19       25  10,86   4,03     1,00  (8,29; 13,44)
C20       25  10,18   5,68     1,00  (7,61; 12,76)
C21       25  10,57   4,21     1,00  (7,99; 13,15)
C22       25   9,56   5,12     1,00  (6,98; 12,13)
C23       25   9,98   4,29     1,00  (7,41; 12,56)
C24       25  10,46   6,12     1,00  (7,89; 13,04)
C25       25  10,35   5,38     1,00  (7,78; 12,93)
C26       25   9,16   5,58     1,00  (6,58; 11,73)
C27       25  10,71   5,09     1,00  (8,13; 13,28)
C28       25   9,83   5,02     1,00  (7,25; 12,41)
C29       25  11,73   3,98     1,00  (9,16; 14,31)
C30       25  10,19   4,62     1,00  (7,61; 12,76)
C31       25  10,44   5,49     1,00  (7,86; 13,01)
C32       25   9,83   5,52     1,00  (7,26; 12,41)
C33       25  10,45   5,31     1,00  (7,87; 13,02)
C34       25   7,94   5,64     1,00  (5,36; 10,51)
C35       25  10,64   4,82     1,00  (8,06; 13,21)
C36       25   6,85   6,93     1,00  (4,28;  9,43)
C37       25  10,07   4,01     1,00  (7,49; 12,64)
C38       25  11,60   4,19     1,00  (9,02; 14,17)
C39       25   7,71   6,19     1,00  (5,14; 10,29)
C40       25  10,68   5,07     1,00  (8,10; 13,25)
C41       25  10,44   6,49     1,00  (7,86; 13,01)
C42       25   9,35   6,40     1,00  (6,77; 11,92)
C43       25   8,29   4,38     1,00  (5,71; 10,87)
C44       25   9,26   5,24     1,00  (6,69; 11,84)
C45       25   9,99   6,12     1,00  (7,42; 12,57)
C46       25   8,83   5,08     1,00  (6,25; 11,40)
C47       25  10,67   4,23     1,00  (8,10; 13,25)
C48       25  11,06   5,41     1,00  (8,48; 13,63)
C49       25  10,02   5,16     1,00  (7,45; 12,60)
C50       25   9,75   5,33     1,00  (7,18; 12,33)