Module 6 (2) type of excel chart


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Module 6 (2) type of excel chart

  1. 1. Module No. - 6 Excel Charts: Representing the data in the form of chart is one of the most popular methods, which are used for the purpose of data analysis. Excel provides various tools and capabilities. Using these tools, you can transform the data into charts. For example, let us take following data and analyze it. The data pertains to sales and expenditure figures of three companies, viz. Company 1, Company 2, and Company 3. A 1 2 3 4 B C D Jan Feb Mar Comp 1 10 50 80 Comp 2 20 40 80 Comp 3 40 60 100 A chart is the graphical representation of data. The data values are represented in terms of bars, lines, columns, pie, slices etc. Different bars, columns, lines etc. are colored with different color so that different data series can be distinguished from one another. Standard data values are also plotted horizontally and vertically so as to get the exact idea of their magnitude. Excel supports different types of charts to represent the data clearly and effectively. Each type of chart has its own sub type or variant. Which type of chart will be suited best to your data would depend upon what the data pertains to. For example, if you have to compare the sales figure of three companies, the bar chart would suit best. But if you have to illustrate that out of the total market share 20% is taken by company 1, 50% is taken by company 2 and 30% is taken by company 3 then for such data representation, Pie chart will suit best. So before we go into the operational aspects of drawing the chart, let us first get introduced to different types of charts that can be generated in Excel. Area Chart: It shows relative importance of values over a period of time. It emphasizes the amount of change that has taken place between the two intervals (magnitude), rather than the values at that time or the rate of change. For example, the data and corresponding area chart are illustrated below. A 1 B Jan C Feb D Mar
  2. 2. 2 3 4 Tek Sun Net 10 20 40 50 40 60 80 80 100 300 250 100 200 150 80 60 100 Net Sun Tek 40 50 40 20 0 10 80 50 Jan Feb Mar Bar Chart: This type of chart represents the values in the form of bars. The length of the bar represents the magnitude of the value. It shows individual figures at a specific time or illustrates comparison between items. In such type of charts, categories are plotted vertically, while the values are placed horizontally, so the emphasis is more on comparison and less on time. Sample Sales figure for three companies, for the month of January 2004 are represented in following bar chart. A 1 2 Jan-04 B Net 200 C Sun 600 D Tek 900 Jan-00 Tel Sun Jan-00 Net 0 200 400 600 800 1000 2
  3. 3. Column Chart: Column chart is similar to Bar chart except that the categories are placed horizontally and the values are plotted vertically. Generally it is used to illustrate comparison between the items over a period of time. Sales data of Tek Company for the last three months of the financial year i.e. January, February and March is given below along with the column chart. A 1 2 3 Tek B Jan 10 C Feb 50 D Mar 80 Tek 1500 1300 1100 900 700 500 300 100 -100 Tek Jan Feb Mar Whenever a comparison is to be made between different items, bar chart or column chart is preferred. Line Chart: This Chart is similar to the normal x-y graph with which you may already been familiar with. It shows the trend of the changes in the data over period of time at even intervals. The Sales figure for the three companies for three months are given below and line chart has been prepared as follows: A 1 2 3 4 Tek Sun Net B Jan 2000 6000 10000 C Feb 4000 12000 15000 D Mar 8000 13000 5000 15000 10000 Tek Sun Net 3 5000 0 Jan Feb Mar
  4. 4. Pie Chart: This chart shows the proportion of individual items in the complete whole. Complete whole is represented in terms of a circle (which represents 100%) called pie. While individual item's share is represented by an arc called slice. The size of any slice will depend upon, what percentage the item (which represents the slice) occupies in the complete whole. Sales figures of these companies are given below and the corresponding chart is also shown. A Tek 20000 1 2 3 B Sun 30000 C Net 60000 D 18% Tek Sun Net 55% 27% Doughnut Chart : This chart is similar to Pie chart, but the difference is that the individual item's share is not illustrated as a slice in the pie but as a segment in a ring. The advantage of this type of chart is that it can accommodate multiple data series. For example, sales data for the three companies for two months is given. Its corresponding doughnut chart is also shown in the following diagram. A 1 2 3 Jan Feb B Tek 20000 30000 C Sun 30000 40000 D Net 60000 30000 4
  5. 5. 4 Tek Sun Net XY Scatter Chart: It is similar to the line charts but does not have the lines, joining the dots. It shows the relationship or degree of relationship between the numeric values in several chart data series. This type of chart is mainly used for scientific data. For example, you want to plot the maximum temperature of three cities for the four day. A 1 2 3 4 B Sun 15 30 40 Srinagar Delhi Jaipur C Mon 20 32 42 D Tue 17 35 45 E Wed 12 20 35 50 40 Srinagar 30 Delhi 20 Jaipur 10 0 0 1 2 3 4 3-D Charts: Excel supports different types of charts and charts that have three-dimensional looks i.e. in x-y-z plane. These charts are called 3-D charts. For example, the column chart prepared using 3-D effects would be display as follows: A 1 B C D Jan Feb Mar 5
  6. 6. 2 Tek 500 700 1500 3 Tek 1500 1000 Tek 500 0 Jan Tek Feb Mar The various types of 3-D charts can be plotted in Excel and some of them are 3-D Area Chart, 3-D - Bar Chart, 3-D - Column Chart, 3-D - Line Chart, 3-D - Pie Chart, etc. Assignment No. – 7 Q.1. What is chart? Q.2. How many types of charts available in MS Excel? Q.3. Write short notes on the following charts: a). Bar Chart b). Line Chart c). Pie Chart d). Doughnut chart 6