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    Each row represents an individual student's marks and each column represents a
                      specific attribute — the student’s name and their score.

                      Example 2: Sales Data

                      A table showing monthly sales data of a product:

                                               Month              Units Sold        Revenue (in £)

                                         January                      500                 2,500

                                         February                     450                 2,250
                                         March                        600                 3,000

                                         April                        700                 3,500

                      Each row represents the sales for a specific month and the columns represent the
                      number of units sold and the total revenue for that month.

                                        Look at the pattern and choose the correct pair of numbers to fill in the blanks.

                                        8,    , 64, 125, 216,

                                                a)  49, 27                                        b)  27, 49
                                                c)  343, 27                                       d)  27, 343

                   Checkpoint           Fill in the blanks.
                         1.                  is a collection of raw facts or figures.

                          2.                  data is a type of data is about numbers that we can measure.
                           3.                   is organised data that makes sense and is useful.

                             4.   Table arranges data in                 and                  to make it easy to read
                                  and understand.

                      BAR AND LINE GRAPHS

                      Bar graphs and line graphs are two easy ways to represent data visually. They help

                      us understand and compare information quickly. Each type of graph is used for a
                      different purpose.

                      Bar Graphs

                      A bar graph is a type of graph that uses rectangular bars to show and compare
                      data.  The height  or length of each bar represents  the value of each category.

                      30         Artificial Intelligence (CT & AI)-IV

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