11/23/20151 Graphs 11/23/20152 I want to make a graph that shows the change in temperature throughout the day yesterday. What kind of graphs could we.

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Presentation transcript:

11/23/20151 Graphs

11/23/20152 I want to make a graph that shows the change in temperature throughout the day yesterday. What kind of graphs could we make to show this?

11/23/20153 Bar Graph vs Line Graph What is the difference between a bar graph and a line graph?

11/23/20154 Line Graph A line graph is a graph used to show change over time !!

11/23/20155 When to use a line graph? Would we use a line graph in the following situations: To show how many people like pizza in this class? NO To show how many people live in Chicago? NO To show how much it rained each month this year? YES- because months and years deal with time.

TALUNK TITLE AXIS LABEL UNIT NUMBERS (SCALE) KEY 11/23/20156

7 X-axis and Y-axis When you are making a line graph, the x-axis is always horizontal, and the y- axis is always vertical.

11/23/20158 Plotting a Line graph When we are plotting a line graph, it is important to put a label on each axis that describes the information Time in minutes

11/23/20159 NUMBERS - SCALE When we are setting up a line graph, we need to decide what intervals we want to use. We want the graph to be as big as possible, so the scale should go from 0 to about our maximum number.

11/23/ Answer the questions: What is on the x-axis? Year OR # of individuals What is on the y-axis? Year OR # of individuals What is the scale on the y-axis? What is the interval value on the y-axis? Does this graph need a key? 0 to 8000 No, only 1 line 1000

11/23/ Is this an acceptable graph? Time Car Trip

11/23/ What information do you need to interpret a graph? The graph we just looked at does not have any numbers on the x-axis or the y- axis. Can we still draw conclusions and answer questions about that graph? How many times did the driver stop driving during the trip? Time Car Trip X and Y axis scales!!

11/23/ Practice With Graphs Please study the graphs that you have and answer the questions. Then we will discuss the your answers.

11/23/201514

11/23/ Q & A What is the scale on the y axis? What is the interval on the y axis? Which day did this person spend the most money? How do you know? On what day did the person spend $5? On what day did the person spend less than $5? Wednesday $5 $0 - $25 Monday Thursday

11/23/201516

11/23/ Q & A What is being measured in this graph? What is the interval on the y axis? How many miles were traveled on Tuesday? On which day did the person travel 10 miles? Between Tuesday and Thursday how many total miles did the person travel? Miles traveled each day 10 miles 20 miles Wed, Sat 75 miles

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11/23/ Q & A What is the scale on the y axis? What is the interval on the y axis? What is being measured in this graph? How many mL of rain was there at 6pm? How many mL of rain was there at 2pm? What is the total amount of rain (in mL) from 1- 7pm? 2 mL mL of rain 5 mL 2 mL 0 to 14 mL 40 mL

11/23/ Make your own….. Now that you have had time to interpret graphs, I would like you to make your own graphs. Remember to read the information carefully and label everything!

MAKE YOUR OWN! 11/23/ TITLE AXIS LABEL UNIT NUMBERS (SCALE) KEY

11/23/ Great Job!