Question

Aditya decided to collect the science marks of his class. The total number of students are 50. After collecting the data, he analysed the data and prepared a report on the science marks of his class. Using this report he drew the following graph:-

Answer 1

class  cf  frequency  

0-20  17  17  

20-40  22  5  

40-60  29  7  

60-80  37  8  

80-100  50  13

median marks of his class= 50

3median= mode+ 2mean

3×50= mode+ 2×52

150=mode+ 104

mode=150-104=46

Answer 2

Answer:

Data science is an inter-disciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from many structural and unstructured data. Data science is related to data mining, machine learning and big data.

Step-by-step explanation: