IBM Data Science Professional Certification
Exam Questions And Answers 100%
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Question 1: Which of the following is most important language for Data Science ? - Answer✔R
Question 2:Which of the following approach should be used to ask Data Analysis question ? -
Answer✔Data Cleansing
Question 3:Which of the following uses data on some object to predict values for other object ? -
Answer✔All of the Mentioned
Question 4:Which of the following is common goal of statistical modelling ? - Answer✔All of
the Mentioned
Question 5:Which of the following model is usually gold standard for data analysis ? -
Answer✔Inference
Question 6:Which of the following analysis is usually modeled by deterministic set of equations
? - Answer✔MARS
Question 7:Who developed the statistical technique known as Regression? - Answer✔Sir
Frances Galton
Question 8:What is the role of the data scientist? - Answer✔Use the insights to build the
narrative to communicate the findings
Question 9:What characteristics are said to be exhibited by "The best" data scientists? -
Answer✔Thinkers, ask good questions, O.K. dealing with unstructured situations
Question 10:The output of a data mining exercise largely depends on - Answer✔The quality of
the data
Question 11:What are some of the steps down the data mine? - Answer✔Establish goals, select
data, pre-process data, transform data
Question 12:What is an example of a data reduction algorithm? - Answer✔Principal Component
Analysis
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