Which one of the following is true of the SUM statement in a SAS DATA step program?

Question

Options

• AIt is only valid in conjunction with a SUM function.
• BIt is not valid with the SET, MERGE and UPDATE statements.
• CIt adds the value of an expression to an accumulator variable and ignores missing values.
• DIt does not retain the accumulator variable value from one iteration of the SAS DATA step to the next.

• A
  8% (4)
• B
  6% (3)
• C
  71% (36)
• D
  16% (8)

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