IBM Data Science Professional Certification Quiz Answers

IBM Data Science Professional Certification Quiz
Answers

Question 1: Which of the following is most important language for Data Science ? -
ANSW R

Question 2:Which of the following approach should be used to ask Data Analysis
question ? - ANSW Data Cleansing

Question 3:Which of the following uses data on some object to predict values for other
object ? - ANSW All of the Mentioned

Question 4:Which of the following is common goal of statistical modelling ? - ANSW All
of the Mentioned

Question 5:Which of the following model is usually gold standard for data analysis ? -
ANSW Inference

Question 6:Which of the following analysis is usually modeled by deterministic set of
equations ? - ANSW MARS

Question 7:Who developed the statistical technique known as Regression? - ANSW Sir
Frances Galton

Question 8:What is the role of the data scientist? - ANSW 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?
- ANSW Thinkers, ask good questions, O.K. dealing with unstructured situations

Question 10:The output of a data mining exercise largely depends on - ANSW The
quality of the data

Question 11:What are some of the steps down the data mine? - ANSW Establish goals,
select data, pre-process data, transform data

Question 12:What is an example of a data reduction algorithm? - ANSW Principal
Component Analysis

Question 13:What should be a prime concern for storing data? - ANSW Data safety
and privacy