NPTEL Data Analytics With Python Week 1 Answer Key

1.Statement: Descriptive Analytics, is the conventional form of Business Intelligence and data analysis

 a. True

 b. False

Answer :- a

2.Which of the following is not an example of predictive analytics?

a.  Linear regression

b. Time series analysis and forecasting

 c. Bar Graphs

d. Data mining

Answer :- c

3.State true or False: Statement: Data can be numerical and categorical but cannot be continuous or discrete

a. True

b. False

Answer :- b

4.Which of the following is not an example of Ratio Data?

a. Height

b. Year

 c.Age

 d.Weight

Answer :- b

5.Which of the following is a command to have a message appear on the screen?

a. print

 b.Input

 c.Write

 d.Msg

Answer :- a

6.What is the output from this print() function call: print( '$100 $200 $300'.count('$'), '$100 $200 $300'.count('$', 5, 10), '$100 $200 $300'.count('$', 5) )

a. 3 1 0

b. 3 1 1

 c.3 1 2

d. 3 1 3

Answer :- a

7.Median is not applicable to 

 a.Ordinal

 b.Interval

 c.Nominal

 d.None of the above 

Answer :- c

8.State True or false: Statement: data can be generated by machines but not by humans.

a. True

b. False

Answer :- b

9.Which one of the following is not a classification of Data Analytics?

a. Diagnostic analytics

b. Deceptive analytics

c. Predictive analytics

 d.Prescriptive analytics

Answer :- b

10.For getting 2nd, 4th & 7th row of a datafile “df”in Python programming, we can write:  

a. df.loc[[2,3,5]]  

 b.df.loc[[1,3,6]]  

 c.df.iloc[2,4,7]  

d. None of the above  

Answer :- d