Chapter Quiz
Select the best answer
for each question. Check your answers using the answer key in the
appendix.
-
SAS date values are the number of days since which date?
-
January 1, 1900
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January 1, 1950
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January 1, 1960
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January 1, 1970
-
-
What is an advantage of storing dates and times as SAS numeric date and time values?
-
They can easily be edited.
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They can easily be read and understood.
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They can be used in text strings like other character values.
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They can be used in calculations like other numeric values.
-
-
SAS does not automatically make adjustments for daylight saving time, but it does make adjustments for which one of the following?
-
leap seconds
-
leap years
-
Julian dates
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