A line graph is a unique type of graph that is commonly used in statistics. It reflects a change in one quantity in relation to another. For example, the price of different chocolate flavours changes, which we can visualise using this graph. In most cases, this variation is shown in a two-dimensional XY plane. Linear graphs are those in which a relationship between any two metrics may be described using a straight line in a graph. As a result, a line graph is often known as a linear graph. Here, we’ll go over what a line graph is, the many types of line graphs, how to draw a line graph, and some examples.

Line Charts

A line chart is a graphical representation of data that is made up of points that are connected by a continuous line. Depending on the data being studied, the line can be straight or curved. Line charts are the most basic way of showing quantitative data between two variables with the use of a line that can be straight or curved. Because it provides a clear picture of the data, traders, investors, and financial officers use the line chart to depict the high and low in the market for a specific number. To represent data, a line chart uses a horizontal axis (x-axis) and a vertical axis (y-axis). The x-axis represents the time period, while the y-axis represents the item being measured. A line chart vividly displays an item’s increasing or declining trend. A line chart is created by connecting these data points with a line. A line graph is another name for a line chart.

How to Draw a Line Graph

Making a line graph is simple. Here are some easy steps to remember while making a line graph.

• On the graph paper, draw the x- and y-axes. Make sure to write the title above the table so that it is clear what the graph’s goal is.
• For example, if one of the factors is time, it is plotted on the x-axis (horizontal axis). The other factor would then be plotted on the y-axis, which is the vertical axis. Both axes should be labelled with their respective components. The x-axis can be labelled as time or day, for example.
• After that, using the previously provided data, highlight the exact values on the graph. After connecting the points, you can draw a clear conclusion regarding the trend.

How to Read a Line Graph

Reading a line graph is simple, and you can learn how to do so by reading the following points.

• First, look at the two axes and try to figure out what they represent.

Then glance at the graph and look at the values of the points in the graph’s lines.

• Determine whether there is a rise or fall by following the lines. Also, see if there are any recurring patterns or lines that cross each other. You will understand the meaning of the line graph in this manner.
• It’s also possible that you’ll see emerging patterns that will aid you in predicting the trend.

Line Graph Questions with Answers

Examine the line graph below and respond to the questions.

Three Companies’ Exports Over the Years (in Rs. crore)

1)In which of the following year pairs do the three companies’ total exports equal each other?

1. 1995 and 1998
2. 1996 and 1998
3. 1997 and 1998
4. 1995 and 1996

2)What percent of Company Y’s average annual exports over the provided time is equal to Company Z’s average annual exports?

87. 87.12%
88. 89.64%
89. 91.21%
90. 93.33%

3)What year was the smallest difference in shipments between Companies X and Y?

1. 1994
2. 1995
3. 1996
4. 1997

4)What was the difference between the three firms’ average exports in 1993 and 1998?

15. Rs. 15.33 crores
16. Rs. 18.67 crores
17. Rs. 20 crores
18. Rs. 22.17 crores

5)How many of the aforementioned years did Company Z’s shipments exceed the average yearly exports of the given years?

1. 2
2. 3
3. 4
4. 5

Conclusion

To describe trends, use precise words such as steadily declining and a rapid spike. To make comparisons, use connecting expressions like while and in contrast. Only ‘Summarize the information,’ according to the query. Don’t include any explanations for why these trends have occurred, or your personal opinions on the subject.