A partial dependency exists.
We have two types of dependency. The partial dependency and the transitive dependency.
The answer here is partial dependency. It occurs when the attribute only depends on some parts of the element. In such attribute, the primary key is the determinant.
It can be shown as;
XY→WZ , X→W and XY is the primary key or the only candidate key
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Answer: Let you organize and summarize your data.
Explanation: Data grouping is referred as the making a collection or cluster of data in a report .The group is made for the summarization of the information and makes easily understandable according to the subject or field due to the proper organization.
Other given options are incorrect because it does not provide the total of the report content,attractive form of the data or editing function in report.Thus the correct option is summarizing and organizing the data.
Answer:
280
Explanation:
Average = (240 + 315 + 290 + 180 + 375) ÷ 5
= 1400 ÷ 5
= 280
Cheers
Answer:https://www.khanacademy.org/computer-programming/lava-the-impossible-game-by-swax97/4638717300965376/embedded?id=1436456095000-0.5&origin=undefined&buttons=yes&embed=yes&editor=no&author=yes
Explanation: