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4 Data Handling

Learning Objectives

After studying this chapter, students will be able to... Scan to learn
 prepare a frequency distribution table for grouped data
 draw meaningful inferences by reading bar graphs, histograms and pie charts for given data
 construct a bar graph and double bar graph of the given data
 construct a histogram of grouped data
 construct a pie chart of the given data
 find the probability of the problems related to real life

get ready!

Nakul is reading an article on renewable energy and discussing it with his father.

Papa, have you read
this news? Solar Yes, I read it. Solar
Energy represents energy contributed
17% of India's about 55% power
installed power of renewable energy.
capacity and overall Still dependency on
renewable energy the coal is maximum,
surpasses 31% as of i.e., 48% as you
January 2024. can see on the given
circle (pie) chart.

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