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Published byShawna Burrill Modified over 2 years ago

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By Harleen Suri, Eliza Neights, Carina Tse

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What is a Line Graph? Graph used to represent data with an independent and dependent variable when showing changes over time Data is plotted on the graph and connected with lines

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When is it Used? When you are showing changes over time

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Real World Example The graph shows the temperature (°F) of New York City over 6 days Can easily see trend of data Could be used by meteorologists

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What Type of Data Do You Need? Set of data- Can be a single or multiple or single set Need key if using multiple sets of data

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Data Collected Average Time Spent Watching TV in Mrs. Ellwood's Class Time (minutes) Monday37 Tuesday40 Wednesday39 Thursday43 Friday52 Saturday83 Sunday80

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How We Made the Graph Draw and label a x- axis and y- axis Create a scale on each axis Plot your data points Connect each point with line segments Give your graph a title

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Quiz Question A TV company wants to schedule commercials during the day kids watch the most amount of TV. Mrs. Ellwoods class was selected to complete a survey based on how much TV they watch. Find the largest increase in time TV was watched. Then, find the percent of increase of time TV was watched.

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How to Solve Find the largest increase in the graph. From Friday to Saturday, the increase in time was greatest Then find percent of increase to the nearest tenth Difference Original = %

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Advantages of Line Graphs Can visually see the trend of the data Can see how data increases/decreases Can compare two sets of data Use a line graph with multiple sets of data

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Disadvantages of Line Graphs Hard to see the specific data points when the scale is large Sometimes the scale can change the appearance of the data

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Works Cited Evernote. Evernote, n.d. Web. 12 Feb Graphing Tutorial. Graphing Tutorial, n.d. Web. 14 Feb Line Graph. New York State Intermediate Test Prep Center, Web. 17 Feb Line Graphs. N.p., n.d. Web. 17 Feb OnlineMathLearning.com. OnlineMathLearning.com, Web. 15 Feb Teacher Vision. Daily Teach, Web. 14 Feb

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