IBM Data Science Professional Certification Quiz Answers Get Details and Apply

IBM Data Science Professional Certification Quiz Answers
Get Details and Apply


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 does the data scientist do with these insights? - ANSWER Build the
story to tell by the findings



Question 9:What kinds of characteristics are cited as being displayed by "The best"
data scientists? - ANSWER Thinkers, ask good questions, O.K. dealing with
unstructured situations

, Question 10:Output from a data mining exercise largely depends on - ANSWER The
quality of the data



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



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



Question 13:What is something which should be a prime concern when storing data? -
ANSWER Data safety and privacy



Question 14:What is a good starting point when data mining? - ANSWER Data
Visualization



Question 15:In the process of establishing objectives for data mining, the accuracy that
should be derived from the outcome also plays a role in the - ANSWER The costs



Question 16:When data is being processed, what causes errors in data? - ANSWER
Human error



Question 17:What among the following is carried out by Data Scientist? - ANSWER All
of the above



Question 18:Which of the following is one of the key data science skills? - ANSWER All
of the mentioned



Question 19:Raw data should be processed only one time - ANSWER False



Question 20:Which of the following is commonly referred to as 'data fishing'? -