Page 212 - CA 165 ver 1.0 Class 9
P. 212

It refers to the label that provides additional information about data marker,
                    Data Label
                                         thus representing a single data item or value of a cell.
                                         In a 3-D chart, the base area or the plane in X-Y axis is called the floor and the
                    Walls and Floors
                                         vertical areas, i.e. planes in X-Z and Y-Z axis are called walls.

                  Advantages of Charts

                  Following are the advantages of charts:

                  l    Charts summarize large data set in visual form and estimate key value at a glance.
                  l    Charts are visually appealing and it is easy for the users to compare the information.

                  l    Charts help to forecast the trends on the basis of comparisons done.
                  Types of Charts

                  There are different types of charts. Some of them are:


                                                                                         LINE CHART
                                                                       120
                                                                       110
                  l    Line Chart: Line chart is used to view          100
                       information that is shown by lines at equal      90
                                                                        80
                       intervals. It depicts the change in data         70
                                                                        60
                       over a period of time.                           50
                                                                        40
                                                                        30
                                                                        20
                                                                        10
                                                                         0
                                                                               English       Maths        Science
                                   COLUMN CHART
                                                                                       Kavya    Pooja   Ankit
                  120
                  110
                  100
                   90
                   80                                                   l  Column  Chart: A column chart represents
                   70
                   60                                                      the data over a period of time in columns.
                   50
                   40                                                      Each column rises from X-axis and indicates
                   30                                                      the value of a data. The measurement values
                   20
                   10                                                      are shown vertically as Y-axis.
                    0
                          English       Maths        Science
                                    Kavya Pooja Ankit


                                                                                          BAR CHART

                                                                          Science
                  l    Bar Chart: A bar chart represents the data
                       in horizontal columns. The measurement of          Maths
                       values are organized horizontally. Stacked
                       bar chart is a variation of bar charts.            English
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                                                                                        Kavya Pooja Ankit




                   210    Touchpad Computer Applications-IX
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