Cloudera Exam DS-200 Topic 3 Question 2 Discussion

Actual exam question for Cloudera's DS-200 exam

Question #: 2
Topic #: 3

Given the following sample of numbers from a distribution:

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89

How do high-level languages like Apache Hive and Apache Pig efficiently calculate approximately percentiles for a distribution?

AThey sort all of the input samples and the lookup the samples for each percentile

BThey maintain index of input data as it is loaded into HDFS and load them into memory

CThey use pivots to assign each observations to the reducer that calculate each percentile

DThey assign sample observations to buckets and then aggregate the buckets to compute the approximations

Show Suggested Answer

Suggested Answer: C

by Amber at Oct 24, 2022, 10:01 PM

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