Match the Following Aggregate Functions with What They Compute

question 69

Essay

Match the following aggregate functions with what they compute:
I. Avg
II. Sum
III. Count
IV. Min
V. Max
A. Counts the number of values in a column
B. Average of a column
C. Returns the lowest value
D. Returns the highest value
E. Totals the items in a column

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Definitions:

Baddeley

A reference to Alan Baddeley, a psychologist best known for his work on the model of working memory.

Maintenance Rehearsal

A cognitive process involving the repetition of information to keep it within working memory or to store it in short-term memory.

Phone Number

A sequence of digits assigned to a telephone line for the purpose of making and receiving calls.

Selective Attention

The process of focusing on a specific aspect of information while disregarding other perceivable information.