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٢٥ أسئلة · اختيار من متعدد، صح/خطأ، وتوصيل. أجب ثم اضغط «تسليم الاختبار».
The main aim of data visualization is to:
Which is NOT listed as a data visualization technique?
Why are mean, median, and mode alone insufficient to describe a dataset?
For the sorted data 4, 4, 5, 6, 8, 8, 8, 9, 9, 9, 10, 12, what is the lower quartile Q1?
Q3 (upper quartile) marks the value below which what percentage of data lies?
A histogram shows the distribution of:
In a histogram, the height of each bar represents:
If one attribute increases as another decreases, they are:
Which technique is best for spotting correlations among multiple attributes at once?
In parallel coordinates, each data sample is drawn as:
Data visualization helps reveal patterns, trends, and relationships.
Mean, median, and standard deviation fully describe a distribution's shape.
A box plot displays quartiles Q1, Q2 (median), and Q3.
Q1 is the value below which 25% of the data lies.
A two-dimensional histogram shows the joint distribution of two attributes.
A standard histogram visualizes the joint distribution of two features.
In positively correlated data, both attributes increase together.
A pairs-plot can reveal correlation between attributes.
In parallel coordinates, attribute values on the Y-axis are normalized to a common range.
In parallel coordinates, the N attributes are placed on the Y-axis.
Match each visualization technique.
الإجابات
Match each box-plot element.
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Match each correlation pattern.
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Match each concept.
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Match each parallel-coordinates fact.
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