The VAR function is used to determine the variance contained within a set of data._________________________
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Q37: The AVG function only includes non-NULL values
Q38: The only group function that includes NULL
Q39: The COUNT function is used to total
Q40: Single-row functions return one result per group
Q41: Functions that return one result per group
Q43: When a SELECT statement includes WHERE,HAVING,and GROUP
Q44: The ORDER BY clause is used to
Q45: The GROUP BY clause is used to
Q46: If a group function is used in
Q47: The HAVING clause specifies which groups will
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