Series Important Questions Assignment Worksheet no 2 CLASS 12

Series Important Questions Assignment Worksheet no 2

Question 1) Given the following Series S1 and S2: 

 Series1           Series2 

A  1                A 15 

B  2                B 14 

C  3                C 16 

D  4                D 18 

Write the command to find the multiplication of series S1 and S2.

Question 2) Consider a given Series , Subject: 

ENGLISH    75 

HINDI          78 

MATHS        82 

SCIENCE     86 

Write a program in Python Pandas to create this series.

Question 3) Consider the following Series object, “company” and its profit in Crores 

 TCS 350 

 Reliance 200 

 L&T 800 

 Wipro 150 

i. Write the command which will display the name of the company having profit>250. 

ii. Write the command to name the series as Profit.

Question 4) Consider two objects a and b. a is a list whereas b is a Series. Both have values 10,20,25,50. What will be the output of the following two statements considering that the above objects have been created already 

a. print(a*5) 

b. print(b*5) 

Justify your answer. 

Question 5) Given a Pandas series called Sample, the command which will display the last 3 rows is . 

a. print(Sample.tail(2)) 

b. print(Sample.Tail(4)) 

c. print(Sample.tails(6) 

d. print(Sample.Tails(2)) 

Question 6) What will be the output of the following code? 

 import pandas as pd 

 series1 = pd.Series(6,index=range(0,5)) 

 print(s)

If series1 is having following data, 

 What would be the result of the command print(series1[3:6])? 

Question 7) What will be the output of the following code? 

 import pandas as pd 

 import numpy as np 

 s1 = pd.Series(np.arange(10,50,10)) 

 print(s1) 

 print (s1.ndim) 

 print(s1.shape) 

 print(len(s1)) 

Write a program to create a Series having 10 random numbers in the range of 10 and 20.

Consider the following Series ‘s’- 

 0    4.0 

 1    5.0 

 2    7.0 

 3    NaN 

 4    1.0 

 5    10.0 

 dtype: float64 

   (i) Write a Python code to add 1 to all the elements. 

  (ii) Write a code to replace all NaN with 0.

Question 8) Predict the output of the following code. 

import pandas as pd 

import numpy as np 

data = {'one':'a','two':'b','three':'c'} 

s=pd.Series(data) 

print(s) 

print(s.size)

Click Here to Download File