Answer:
280
Explanation:
Average = (240 + 315 + 290 + 180 + 375) ÷ 5
= 1400 ÷ 5
= 280
Cheers
Answer:
See explaination
Explanation:
Somehing is considered functional dependent (FD) if a relationship between two attributes, typically between the PK and other non-key attributes within a table. For any relation R, attribute Y is functionally dependent on attribute X (usually the PK), if for every valid instance of X, that value of X uniquely determines the value of Y.
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