Trailing-Edge
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PDP-10 Archives
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decuslib10-01
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43,50144/mandsd.bas
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00001 GO TO 570
00300 LET H=0
00301 PRINT "MODIFIED 05/29/68"
00305 PRINT
00310 PRINT
00315 PRINT "ARITHMETIC MEAN, VARIANCE, AND"
00320 PRINT " STANDARD DEVIATION"
00325 PRINT
00330 READ C
00335 LET H=H+1
00340 IF C=1E37 THEN 795
00345 LET S1=0
00350 LET S2 = 0
00355 IF C <> 0 THEN 435
00360 PRINT
00365 PRINT "FOR GROUPED DATA SET";H
00370 PRINT
00375 READ Q
00380 LET N = 0
00385 PRINT "X-VALUE","FREQUENCY"
00390 PRINT
00395 FOR P = 1 TO Q
00400 READ X, M
00405 LET N = N + M
00410 LET S1 = S1 + M*X
00415 LET S2 = S2 + M*X*X
00420 PRINT X, M
00425 NEXT P
00430 GOTO 500
00435 PRINT
00440 PRINT
00445 PRINT "INDIVIDUAL SET NUMBER";H
00450 PRINT
00455 PRINT "INPUT VALES: ";
00460 LET N = C
00465 FOR P = 1 TO N
00470 READ X
00475 LET S1 = S1 + X
00480 LET S2 = S2 + X*X
00485 PRINT X;
00490 NEXT P
00495 PRINT
00500 LET A = S1/N
00505 LET V=(S2-A*S1)/N
00506 LET D1=SQR(V)
00510 LET V1=V*N/(N-1)
00512 LET V2=V1/N
00514 LET V3=SQR(V2)
00515 LET D=SQR(V1)
00520 PRINT
00525 PRINT " NUMBER OF VALUES = ";N
00530 PRINT " ARITHMETIC MEAN = ";A
00531 PRINT" STD DEV OF SAMPLE = ";D1
00535 PRINT " STANDARD DEVIATION = ";D
00540 PRINT " SAMPLE VARIANCE = ";V
00545 PRINT " EST TRUE VARIANCE = ";V1
00546 PRINT" ST ERROR MEAN = ";V3
00550 PRINT
00555 PRINT
00560 GOTO 330
00565 PRINT
00570 PRINT "THIS PROGRAM CALCULATES THE MEAN, VARIANCE, AND STANDARD"
00575 PRINT "DEVIATION FOR EACH OF SEVERAL SETS OF INDIVIDUAL VALUES"
00580 PRINT "OR FREQUENCY DISTRIBUTIONS."
00585 PRINT
00590 PRINT "DATA FOR EACH SET OF INDIVIDUAL VALUES IS ENTERED INTO"
00595 PRINT "THE PROGRAM AS FOLLOWS:"
00600 PRINT
00605 PRINT " 1 DATA N, X(1), X(2), X(3),....., X(N)"
00610 PRINT
00615 PRINT "WHERE THE N VALUES OF THE SET ARE X(1) THRU X(N). IF"
00620 PRINT "NEEDED, ADDITIONAL DATA STATEMENTS MAY BE USED TO GIVE"
00625 PRINT "THE ENTIRE LIST OF VALUES. ADDITIONAL CASES MAY BE"
00630 PRINT "GIVEN IN SUBSEQUENT DATA STATEMENTS IN THE SAME FORMAT."
00635 PRINT
00640 PRINT "THE INPUT FOR GROUPED VALUES HAS THE FOLLOWING FORMAT:"
00645 PRINT
00650 PRINT " 1 DATA 0, N, X(1), F(1), X(2), F(2),..., X(N), F(N)"
00655 PRINT
00660 PRINT "WHERE THE INITIAL ZERO SIGNALS GROUPED DATA, THE N IS"
00665 PRINT "THE NUMBER OF DIFFERENT VALUES TO BE GIVEN, AND THE F(I)"
00670 PRINT "ARE THE NUMBER OF TIMES THE X(I) OCCUR. DATA STATEMENTS"
00675 PRINT "FOLLOWING MAY BE USED TO EXTEND THE LIST AS NECESSARY,"
00680 PRINT "AND BLOCKS OF GROUPED DATA MAY BE INTERMIXED FREELY"
00685 PRINT "WITH STRAIGHT LISTS DESCRIBED ABOVE."
00690 PRINT
00695 PRINT "AS AN EXAMPLE, SUPPOSE WE WERE INTERESTED IN THE MEAN"
00700 PRINT "AND STANDARD DEVIATION OF THE NUMBERS 1,5,4,2,6,7,4,7"
00705 PRINT "AND ALSO FOR THE DISTRIBUTION CONSISTING OF 5-1'S,"
00710 PRINT "3-4'S, 6-7'S, AND 2-11'S. THESE TWO CASES COULD BE RUN"
00715 PRINT "BY TYPING THE FOLLOWING:"
00720 PRINT
00725 PRINT " 1 DATA 8,1,5,4,2"
00730 PRINT " 2 DATA 6,7,4,7"
00735 PRINT " 3 DATA 0,4,5,1,3,4"
00740 PRINT " 4 DATA 6,7,2,11"
00745 PRINT " RUN"
00750 PRINT
00755 PRINT "OR EQIVALENTLY:"
00760 PRINT
00765 PRINT " 1 DATA 8,1,5,4,2,6,7,4,7,0,4,5,1,3,4,6,7,2,11"
00770 PRINT " RUN"
00775 PRINT
00780 PRINT "NOTE THAT STATEMENT NUMBERS 1 THRU 299 ARE AVAILABLE"
00785 PRINT "FOR CONTINUATION OF THE DATA FIELD."
00790 DATA 1E37
00795 END