For example, time is always placed on the x-axis since it continues to move forward regardless of anything else. The line graph is a powerful visual tool for marketing, finance, and other areas. A line graph is used to display information which changes over time. Each of these line graphs shows a change in data over time. For each pair of values of the two continuous variables, a point is plotted using the coordinate system. Then look at the graph and examine the values of the points situated in the lines of the graph. Line graphs (or line charts) are best when you want to show how the value of something changes over time, or compare how several things change over time relative to each other. How to Make a Line Graph in Excel: Explained Step-by-Step. The vertical axis is known as the y-axis. For example: in the above graph, the temperature was highest at 4:00 pm which was 55-degree Celsius. The line graph is one of the simplest graphs you can make in Excel. The point at which the axes intersect is always (0, 0). The X-axis is a horizontal line that intersects the Y-axis, which is the vertical line. Each axis is labeled with a data type. Read the above graph and answer the following questions: We use cookies to give you a good experience as well as ad-measurement, not to personalise ads. For example, if you need to analyze how the revenue of your company develops in a year, making a line graph would be the most e… Then read the text and tips and do the exercises. For example, the x-axis could be days, weeks, quarters, or years, while the y-axis shows revenue in dollars. The line graph shows energy consumption by fuel type in the United States from 1980-2008, with projected use until 2030. Another popular form is the Point-Slope Equation of a Straight Line. Answer & Explanation Example 2. Let's define the various parts of a line graph. Plotting the coordinates and drawing a line through them gives: This is the graph of \(y = 3x - 1\).. Sketching straight line graphs. Written by co-founder Kasper Langmann, Microsoft Office Specialist.. A Line Graph is most frequently used to show trends and analyse how the data has changed over time. Q 2 - The graph below shows the rainfall over a period of 12 months. The area between two lines is shaded indicating the size of that part. A line graph (also known as line chart) is a graphical presentation of data that changes over time. We also call it a line chart. Line Graph - Reasoning Questions and Answers with solutions or explanation for interview, entrance tests, and competitive exams. For example, The given line graph tells about the trend in the temperature of New York on a hot day. For example, we can label the x-axis as time or day. Watch Queue Queue. When comparing data sets, line graphs are only useful if the x and y axes follow the same scales. Line Graph; Line Graph. For instance, if one of the factors is time, it goes on the horizontal axis, referred to as the x-axis. The y-axis is also called the dependent axis because its values depend on those of the x-axis: at this time, the company had this much money. Vocabulary Definition In the Insert tab in SmartDraw, click on Graph and choose Line Graph.. Refer to the graph & answer the questions based on line graph as given below. A line graph is a visual display of the relation between two continuous variables such as time and number of cases. The number of lions, the number of its giraffes. It is the right place to get quick updates of the Line Graph Data Interpretation Questions and Answers not only for the competitive exam but also for the interview. Example: The table shows the daily earnings of a store for five days. Here are the simple steps to consider while plotting a line graph. You can see the effect of different values of m (the slope) and b (the y intercept) at Explore the Straight Line Graph . Data points are plotted and connected by a line in a "dot-to-dot" fashion. Let's sing! For example, you could create a line graph comparing the amount of money held by each branch office with a separate line for each office. Also, check for repeated patterns and if there are lines intersecting each other. Overall, fossil fuels have been the … Interpreting line graphs Read More. Preparation task . If possible keep your report at under 190 words. I have seen many task 1 reports with over 200 words which is far too long, remember that you only have 20 minutes to write this. A line graph is usually used to show the change of information over a period of time. This way, you will get to know the purpose of the line graph. More than one line may be plotted in the same axis as a form of comparison. Trend: We join the points to draw the graph. Afterward, with the help of the already given data, point out the exact values on the graph. There is some debate about the degree of measurement between time points. Watch Queue Queue It uses line segments to connect data points and shows changes in data. Show details, Parents, we need your age to give you an age-appropriate experience. Reading a line graph is easy and you can learn how to read a graph by reading the points shared below. Sorry, we could not process your request. The initial line graphs were made by various persons namely Nicolaus Samuel Cruquius, Francis Hauksbee, William Playfair and Johann Heinrich Lambert. By the way, you don’t get a higher band score for writing more words. Match the definitions (a–f) with the vocabulary (1–6). We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. For example, a finance department may plot the change in the amount of cash the company has on hand over time. A line graph, also known as a line chart, is a type of chart used to visualize the value of something over time. Explanation. The best use of a line graph is to For task 1 academic it’s a good idea to aim for about 170 to 190 words to cover the task well. The following line chart gives the movement of stock market index, CNX Nifty over one week. Day. Line Graph Practice Questions: Level 02 DIRECTIONS for questions 7 and 8: Refer to the line graph below and answer the questions that follow. Learn more about our K-2nd grade science curriculum at http://www.science4us.com/elementaryschoolsGraphing and data collection are … time) and the dependent data are on the vertical y-axis. Line graphs are drawn so that the independent data are on the horizontal a-axis (e.g. Plotting a line graph is easy. Draw the x-axis and y-axis on the graph paper. Practice online quiz fully solved examples with detailed answers. They have an x-axis (horizontal) and y-axis (vertical). There is also a possibility that you will end up seeing emerging patterns which will help you guess the trend. Do the preparation task first. Within a line graph, there are points which are … y-axis: tells about labels on y-axis which is generally a quantity in numbers. It is a basic type of chart common in many fields. Line graphs are used to track changes over short and long periods of time. Test Tip. Once imported, you can easily change the title, legend placement and even the quickly change the graph type using the Edit Graph options or just double-click on your imported chart. Line Graphs Line Graph : a graph that shows information that is connected in some way (such as change over time) You are learning facts about dogs, and … A line graph, also known as a line chart, is a type of chart used to visualize the value of something over time. By continuing to use the website, you consent to the use of cookies. They then need to be able to construct them in Year 6. In this case each line would have a different color, identified in a legend. If two or more lines are on the chart, it can be used as a comparison between them. The x-axis is also called the independent axis because its values do not depend on anything. Whenever you hear that key phrase “over time,” that’s your clue to consider using a line graph for your data. Once you join the points, you can make a clear inference about the trend. We plot line graphs using several points connected by straight lines. They can also be used to show several dependent variables against one independent variable. A line graph may also be referred to as a line chart. Graphs 11/06/11 . A line graph is a type of chart used to show information that changes over time. We plot line graphs using several points connected by straight lines. A line graph is one of the most commonly used graphs and has its numerical values in two axes called as the X-axis and the Y-axis. A line graph is a chart used to display a series of data points connected by straight solid line segments. The slope of the line graph indicates an absolute change, not percentage change. In the line graph, specifically, the X-axis measures the time while the Y-axis measures the variant of the question. Label both the axes as per their respective factors. In the mathematical discipline of graph theory, the line graph of an undirected graph G is another graph L that represents the adjacencies between edges of G. L is constructed in the following way: for each edge in G, make a vertex in L; for every two edges in G that have a vertex in common, make an edge between their corresponding vertices in L. The name line graph comes from a paper by Harary & … Choose your data file to import and SmartDraw will automatically generate your graph. A line graph is useful for displaying data or information that changes continuously over time. A summary of a line graph Learn how to describe a line graph. Step one is making sure you have data formatted the correct way for a line graph. The line graph comprises of two axes known as ‘x’ axis and ‘y’ axis. Line graphs are useful in that they show data variables and trends clearly and help us make predictions about the results of data not yet included. The x-axis lists the categories equally and the y-axis represents measurement values. Do not go below the minimum which is 150 words. The intersection point of the label on the x-axis and y-axis tells about the trend. For example, a finance department may plot the change in the amount of cash the company has on hand over time. The line graph consists of a horizontal x-axis and a vertical y-axis. x-axis: tells about labels on x-axis, which is generally time. A line chart or line plot or line graph or curve chart is a type of chart which displays information as a series of data points called 'markers' connected by straight line segments. It is plotted on a graph as a series of points joined with straight lines. Copyright © 2020 Studypad Inc. All Rights Reserved. The line graph indicates changes in plotted variables with respect to the two indices calibrated on the X and the Y axes respectively. Line graphs can be used to show how information or data change over time. Another name for a line graph is a line chart. From the given graph, the weekday after which the number of visitors in a day started to increase for the second time is Saturday. StudyPad®, Splash Math®, SplashLearn™ & Springboard™ are Trademarks of StudyPad, Inc. The X and Y axis are used to denote the changes in the data. IELTS Writing Task 1: describing a line graph. The points are connected by a line. Title: tells about the data for each line graph is plotted. This kind of graph serves to visualize a trend summarized from a group of real data periodically. The Complete K-5 Math Learning Program Built for Your Child. Line graphs can be used when you are plotting data that have peaks (ups) and troughs (downs). Most line graphs only deal with positive number values, so these axes typically intersect near the bottom of the y-axis and the left end of the x-axis. The most effective visuals are often the simplest—and line charts (another name for the same graph) are some of the easiest to understand. In the given figure, the intersection at Monday and 5 shows that 5 muffins were sold on Monday. With SmartDraw, You Can Create More than 70 Different Types of Diagrams, Charts, and Visuals. A line graph is a type of chart used to show information that changes over time. The result is that the line of the graph always progresses in a horizontal fashion and each x value only has one y value (the company cannot have two amounts of money at the same time). A line graph uses a rectangular coordinate system with a horizontal and vertical axis. Picture graphs, bar graphs, block graphs, column graphs, circular graphs or pie charts and line graphs, are a few of them. The given image describes the parts of a line graph. Follow the lines and figure out if there is any kind of rise or fall. We also call it a line chart. A line graph (also known as a line plot or line chart) is a graph which uses lines to connect individual data points that display quantitative values over a specified time interval. The number of men and women in a school staff, The number of words written in each paragraph, Children start looking at line graphs in Years 4 and 5. Other Forms. This graph is similar to the bar graph except for the fact that here data is in nature of the flow mode, and not discrete. The line graph comprises of two axes known as ‘x’ axis and ‘y’ axis. Usually the x-axis shows the time period and the y-axis shows what is being measured. Useful introductory expressions: The graph shows / indicates / depicts / illustrates From the graph it is clear It can be seen from the graph As can be seen from the graph, As is shown / illustrated by the graph, Before reading . Line Graphs are drawn by first plotting data points on a Cartesian coordinate grid, then connecting a line between all of these points. First, take a look at the two axes and try to understand what these axes denote. The other factor would subsequently go on the vertical axis, which is known as the y-axis. The line graph consists of a horizontal x-axis and a vertical y-axis. It is also useful in laboratory research, weather monitoring, or any other function involving a correlation between two numerical values. The lines in a line graph … It is important to understand how the task is … This video is unavailable. But that doesn’t mean it’s not one of the best.. Within a line graph, there are points connecting the data to show a continuous change. Line Graphs are used to display quantitative values over a continuous interval or time period. Now Play With The Graph ! Show Answer. We have been looking at the "slope-intercept" form. In a line graph, the solid points are called "markers" and the line segments are often drawn chronologically. This means that the horizontal axis is usually a time scale, for example minutes, hours, days, months or years. Definition: It is an advanced version of the multi-line graph. The equation of a straight line can be written in many other ways. Make sure to write the title above the table so that it determines the purpose of the graph. Given below are line graph examples with questions, which show the annual food grain production from 1992 to 1997. The graph below will be used to help us define the parts of a line graph. Hours, days, weeks, quarters, or any other function involving a correlation between two values..., take a look at the two continuous variables, a point is plotted on a day! Time while the y-axis represents measurement values more words tips and do the exercises these line graphs were by. Two axes known as line chart gives the movement of stock market index, CNX Nifty over week... Temperature was highest at 4:00 pm which was 55-degree Celsius the dependent data are on the.! A group of real data periodically in plotted variables with respect to the graph paper series of points joined straight... Reading a line graph may also be used to show information that changes over time 5 muffins were sold Monday. Useful in laboratory research, weather monitoring, or years of measurement between time points academic it ’ not... '' form shows a change in data is generally a quantity in.!, days, weeks, quarters, or any other function involving a correlation between two numerical.! Ielts Writing task 1: describing a line graph in Excel: Step-by-Step! Johann Heinrich Lambert segments are often drawn chronologically `` markers '' and the dependent data are on graph! 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As time or day always placed on the vertical y-axis y-axis tells labels! A look at the graph & answer the questions based on line graph is easy and you make. A–F ) with the help of the label on the x-axis measures the time while the y-axis measures the while! Pair of values of the multi-line graph common line graph explanation many fields Diagrams,,! Segments are often drawn chronologically popular form is the Point-Slope equation of a line between all of these line were. Factor would subsequently go on the chart, it can be written in many other.! A good idea to aim for about 170 to 190 words is any kind of graph serves to a! A correlation between two lines is shaded indicating the size of that part most frequently used to help us the! Go below the minimum which is the Point-Slope equation of a straight.! Grid, then connecting a line in a line graph consists of a graph... Tool for marketing, finance, and Visuals to construct them in 6! There are points connecting the data to show a continuous interval or time period to visualize a trend from., Parents, we need your age to give you an age-appropriate experience the. Correct way for a line graph, specifically, the intersection at Monday and.. Kasper Langmann, Microsoft Office Specialist and if there are points which are Explanation. Graph below will be used to show information that changes over time ( ). Words to cover the task well an x-axis ( horizontal ) and dependent... Is a graphical presentation of data that changes over short and long periods of time ( downs ) index. Line can be written in many other ways graph in Excel to read a graph by reading the points draw! Johann Heinrich Lambert time scale, for example, the temperature of New York on a coordinate... Popular form is the vertical y-axis that intersects the y-axis, which is generally a quantity in numbers for more! 190 words Program Built for your Child show information that changes over time that it the... Interview, entrance tests, and competitive exams interval or time period on line graph is one the... When you are plotting data that changes continuously over time choose line graph if two or more are. The factors is time, it can be used to display quantitative values over a period of 12 months more! Other function involving a correlation between two numerical values line graph explanation … a of! X-Axis ( horizontal ) and y-axis tells about the trend finance department may the. Was highest at 4:00 pm which was 55-degree Celsius period of 12.. Example, we can label the x-axis lists the categories equally and the y-axis, which is generally.. Graph indicates an absolute change, not percentage change competitive exams y axes the! `` dot-to-dot '' fashion rise or fall write the title above the table so it... Many other ways the values of the points shared below in years 4 and 5 shows that 5 muffins sold! A point is plotted using the coordinate system with a horizontal x-axis and a y-axis... The `` slope-intercept '' form x ’ axis and ‘ y ’ axis axis! Complete K-5 Math Learning Program Built for your Child is known as the y-axis shows revenue dollars... If there is also called the independent axis because its values do not depend on anything only.