a) Mean b) Median c) Mode d) All of the mentioned Answer: c Explanation: The mode is ...
View QuestionColor and shape are used to add dimensions to graph data.
a) True b) False Answer: a Explanation: Graphs are commonly used by print and electronic media. ...
View QuestionWhich of the following graph can be used for simple summarization of data?
a) Scatterplot b) Overlaying c) Barplot d) All of the mentioned Answer: c Explanation: A bar chart ...
View QuestionPoint out the correct statement.
a) coplots are one dimensional data graph b) Exploratory graphs are made quickly c) Exploratory graphs are made ...
View QuestionWhich of the following is characteristic of exploratory graph?
a) Made slowly b) Axes are not cleaned up c) Color is used for personal information d) All ...
View QuestionWhich of the following gave rise to need of graphs in data analysis?
a) Data visualization b) Communicating results c) Decision making d) All of the mentioned Answer: d Explanation: ...
View QuestionK-means is not deterministic and it also consists of number of iterations.
a) True b) False Answer: a Explanation: K-means clustering produces the final estimate of cluster centroids
View QuestionWhich of the following clustering requires merging approach?
a) Partitional b) Hierarchical c) Naive Bayes d) None of the mentioned Answer: b Explanation: Hierarchical clustering ...
View QuestionWhich of the following function is used for k-means clustering?
a) k-means b) k-mean c) heatmap d) none of the mentioned Answer: a Explanation: K-means requires a ...
View QuestionHierarchical clustering should be primarily used for exploration.
a) True b) False Answer: a Explanation: Hierarchical clustering is deterministic.
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