Chapter 2 - Exercise Objective type questions Answers. 1) ii 2) ii 3) iv 4) iii 5) iv Descriptive type Questions Q1. Describe all the possible components of a chart. Ans. The components of a chart are: • Data Table It refers to the set of data values from which a chart is derived. • X-Axis It is the horizontal axis of the chart. It is also known as the category axis. • Y-Axis It is the vertical axis of the chart. It is also known as the value axis. The value of each data point is plotted on this axis. • Chart Title It is usually placed at the top of the chart and helps the user understand what the chart represents. • Axis Title It is the title given to an axis. A 2-D graph has two axes (x and y) and a 3-D graph has three (x, y, and z). • Chart Area It refers to the area within which all chart components are found. Often it is surrounded by a border. • Plot Area It is the rectangular area bounded by the two axes. The x-axis and the y-axis define the two sides of the rectangular plot area. • Legend It identifies the data series. A unique colour or pattern is assigned to each data series to make it easier to distinguish it visually. • Gridlines These are the lines that run across the plot area from each category on the x-axis and from each value on the y-axis. You can choose whether to display them or not. They make it easier to identify the value of each data point on the chart. • Data Label A label that provides additional information about a data point on a chart. Q2. What is a combo chart? Ans. A combination chart is a single chart that consists of a series which uses different chart types. It may include a second value axis. For example, you may have a chart that shows both columns and lines with two value axes. The value axis for the column chart may be on the left, while for the line chart it may be on the right. Q3. What is a sparkline? How it is different from a chart? Ans. A sparkline is a miniature chart embedded in a single worksheet cell. It provides a visual representation of data. It is different from a chart in that it is a miniature version of a chart embedded in a single cell. For example, line and column sparklines are compact versions of the standard line and column charts. Q4. How will you delete sparklines? Ans. To delete sparklines, do the following: i. Select the sparklines. ii. Under SPARKLINES TOOLS, click the DESIGN tab. iii. In the Group group, click the arrow next to Clear. iv. Click Clear Selected Sparklines. Q5. What do you understand by the Quick Analysis button? Write the steps to create a bar chart using a the Quick Analysis button. Ans. The Quick Analysis tool appears at the bottom-right corner of a selection of range and helps in creating a chart or sparklines. To create a chart using Quick Analysis tool: i. Select the range of cells for which a chart has to be created. ii. Click the Quick Analysis button. iii. Click the CHARTS tab. iv. Click the Insert Chart button. The Insert Chart dialog box appears. v. Select bar chart and click OK. Q6. Which type of comparison chart could you use for each of the following ? State a reason for your choice. 1. The number of boys and girls studying in a school over the last five years. 2. The increase in the price of an ice cream at the same shop in the last three years. 3. The average time spent by each student eating, studying and watching television. Ans. i. Line chart and column chart. Both charts are useful in seeing the changes in values over a period of time and therefore since they are looking at the number of students over a period of five years these two charts would give a clear depiction. ii. Since here we are looking at a single item, ice cream, and what has happened to its price over 3 years, a bar chart would be the correct choice. iii. We would use the pie chart; we will take 24 hours as a whole and then take averages from that whole. Q7. Evaluate the statement: ‘ Chart formatting options in Excel 2013 are excessive, A few would have been enough’. Ans.