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Ans.  [1]:  import matplotlib.pyplot as plt
                           No_of_people_voted = [23,45,31,40,35]
                           plt.bar(['a1','a2','a3','a4','a5'], No_of_people_voted)
                           plt.title('Bar Chart')
                           plt.xlabel('Area Covered')
                           plt.ylabel('No of People Voted')
                           plt.show()

                                                       Bar Chart


                               40
                             No. of People Voted  30




                               20



                               10


                                0
                                       a1        a2       a3        a4       a5
                                                    Area Covered

                19.  Using NumPy package: Create an array of 5 marks and display the average of all marks.


               Ans.  [1]:  import numpy as np
                           import statistics
                           a = np.array([95,90,49,71,80])
                           m = statistics.mean(a)
                           print("The average is: ", m)
                           The average is:  77


                20.  Create a list of number of voting done in 6 areas and calculate using statistics module:
                    Standard deviation
                    Variance

               Ans.  [1]:  import statistics
                           votes = [59, 52, 49, 71, 44, 63]
                           std_dev = statistics.stdev(votes)
                           print("The standard deviation is:", round(std_dev, 2))
                           variance = statistics.variance(votes)
                           print("The variance is:", variance)

                           The standard deviation is: 9.91
                           The variance is: 98.26666666666667













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