# line graph explanation

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