Question 38 :

 A raw data file is listed below:

 --------10-------20-------30

 1901 2

 1905 1

 1910 6

 1925 .

 1941 1

 The following SAS program is submitted and references the raw data file above:

 data coins;

 infile 'file-specification';

 input year quantity;

 run;

 Which one of the following completes the program and produces a non-missing value for the variable TOTQUANTITY in the last

 observation of the output data set?

1. totquantity + quantity;
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 Correct Answer : 1

 Exp : data aa;

 x=.;

 y=3;

 z= x+y;

 run;

 z is missing.

 Missing Values: When Missing Values are Generated by SAS

 Expression cannot ignore missing value, but the SUM function and statement can.

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