gs gs119 Data Preprocessing - Data Reduction - Quiz No.3
gs gs119 Data Science Quiz
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Question 2: The maximum distance between any two objects in a cluster is known as _____
Diameter of the cluster
Radius of the cluster
Circumference of the cluster
Area of the cluster
Question 3: The average distance of each cluster point from the cluster Centroid is called _____
Radius of the cluster
Centroid distance
Median distance
Mean square distance
Question 4: Given a dataset D, with T tuples, if S tuples are drawn from the dataset (S < T), where each tuple is equally likely to be sampled and the drawn tuples are not replaced. The technique is _____
Simple random sampling without replacement
Simple random sampling with replacement
Stratified sample
Cluster sample
Question 5: Which of the following is the most appropriate sampling technique represented by the following diagram?
Simple random sampling without replacement
Cluster sample
Simple random sampling with replacement
Stratified sample
Question 6: Given a sample A of size s drawn from a dataset of T tuple (s < T), which of the following is true?
Cost of drawing the sample A is proportional to s
Cost of drawing the sample A is proportional to T
Cost of drawing the sample A is proportional to T2
Cost of drawing the sample A is proportional to (s/T)2/3
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