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Reading/Making Tables and Graphs Lesson 4

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Learning Target I can interpret and draw conclusions from data.

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Show what you know! Answer these questions about the graph below: How much rain fell in Mar of 1989? How much more rain fell in Feb of 1990 than in Feb of 1989? Which year had the most rainfall? What is on average the wettest month on the graph?

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Check your answers How much rain fell in Mar of 1989? 6 in How much more rain fell in Feb of 1990 than in Feb of 1989? 2 in Which year had the most rainfall? 1989 What is on average the wettest month on the graph? April

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Show what you know! Answer these questions about the data table: What is the independent variable on this table? What is the dependent variable on this table? How many elements are represented on the table? (remember that chemical elements are differentiated by the number of protons in their nucleus, also called the atomic number) Which element has the highest ionization energy? Describe the shape of the line graph that this data would produce? Atomic Number Ionization Energy (volts) 224.46 49.28 611.22 813.55 1021.47

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Check your answers! What is the independent variable on this table? Atomic Number What is the dependent variable on this table? Ionization Energy How many elements are represented on the table? 5 Which element has the highest ionization energy? 2 (He) Describe the shape of the line graph that this data would produce? Downward Curve or V

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Reading Tables You will HAVE to be able to do this to do well on the ACT! Read the questions first, so you know what information to look for Read the title or description of the table before looking at the data so you know what information is being presented in the table. The more you practice this, the better you will get.

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Reading Graphs Determine what the graph is telling you. Look at the passage/description and the title Look at the units of measurement Sometimes ACT questions/answers will use different measurements that what you see in the table/graph. Dont let them trick you! Look for trends in the data Is there a correlation? What kind of correlation is it?

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Positive and Negative Correlations Positive As the value of the IV increases, the value of the DV increases Negative As the value of the IV increases, the value of the DV decreases

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What type of correlation would this be?

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Try another one:

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Remember Tables and Graphs are meant to make your life easier! Always know what information the table or graph is showing you The more you work with tables and graphs, the less intimidating they become!

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Warm Up 1. Find the x- and y-intercepts of 2x – 5y = 20.

Warm Up 1. Find the x- and y-intercepts of 2x – 5y = 20.

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