Question

5. The following data gives the number of Mathematics and Science books purchased bya library during different years.200920102011201220350Mathematics400600520Science3003804004506002013650600Draw a double bar graph.​

Answer 1

Double Bar Graph for the number of Mathematics and Science books purchased by a library during different years

Step-by-step explanation:

BELOW DATA :

YEAR      MATHEMATICS              SCIENCE

2009             350                            300

2010              400                            380

2011               600                            400

2012              520                            450

2013              650                            600

A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally.

Here we have plotted vertically

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Answer 2

Answer:

Step-by-step explanation:

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.