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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Cumulative-standard-deviation/IS-BASIC/cumulative-standard-deviation.basic Normal file
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100 PROGRAM "StDev.bas"
110 LET N=8
120 NUMERIC ARR(1 TO N)
130 FOR I=1 TO N
140 READ ARR(I)
150 NEXT
160 DEF STDEV(N)
170 LET S1,S2=0
180 FOR I=1 TO N
190 LET S1=S1+ARR(I)^2:LET S2=S2+ARR(I)
200 NEXT
210 LET STDEV=SQR((N*S1-S2^2)/N^2)
220 END DEF
230 FOR J=1 TO N
240 PRINT J;"item =";ARR(J),"standard dev =";STDEV(J)
250 NEXT
260 DATA 2,4,4,4,5,5,7,9