Question52:ThefollowingSASprogramissubmitted:

datawork.passengers;

ifOrigPassengers=then

OrigPassengers=100;

TransPassengers=100;

OrigPassengers=

TotalPassengers=sum(OrigPassengers,TransPassengers)+0;

run;

WhatisthevalueoftheTOTALPASSENGERSvariableintheoutputdataset?

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CorrectAnswer:2

Exp:Returnsthesumofthenonmissingarguments.

Syntax:SUM(argument,argument,...)

RequiredArgument:argument:specifiesanumericconstant,variable,orexpression.Ifalltheargumentshavemissingvalues,thenoneofthefollowingoccurs:

Ifyouuseonlyoneargument,thenthevalueofthatargumentisreturned.

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