Graphing in Science

Graphing in Science

1 Graphing in Science 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 All information and graphics provided by Pearson Education and Lessonplanet.com 4 2 Essential Question: 0 0 1 1 0 0 1 0 1 0 1 0

1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 How is math important to the work of scientists? 1 4 2 Objectives 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0

1 0 1 1 Explain the correct way to set up various graphs. Explain how to determine what type of graph you should use for a set of data. 1 4 2 Graphing in Science Parts of a graph (applies to histogram, line graph, double bar graph) I. Horizontal axis a. also known as x-axis b. independent/manipulated variable 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 0 1

i.1 In1 bar or histogram: choices or intervals ii. In line graph: dates, time, days, etc. II. Vertical axis a. also known as y-axis b. dependent/ responding variable i. In bar or histogram: scale based on range of data ii. In line graph: scale based on range 1 4 2 Graphing in Science Parts of a graph (applies to histogram, line graph, double bar graph) III. Titles a. the graph, its x-and y-axis should all have IV. Range of0 data (used to create scale on y-axis) 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0

1 0 1 0 0 1 1 1 a. found by taking the lowest value in a set of subtracting it from the highest value i. example: 73, 77, 84, 87, 89, 91, 94 highest - lowest = 94 - 73 = 21 1 4 titles data and 2 Graphing in Science Stem and Leaf Plot I. Purpose: shows the frequency with which values occur II. Procedure: a. List the values from least to greatest 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0

0 1 0 1 0 0 1 0 1 1 b. Find the range in values c. Make a T-chart and label the Stem and leaves as well as title the chart d. List all digits from the hundreds and tens place on the stem side of the T-chart e. List all the digits from the ones place on the leaf side 1 4 2 Graphing in Science Stem and Leaf Plot III. Example: Grades on a test (73, 42, 67, 78, 99, 84, 91, 82, 100) a. From least to greatest: (42, 67, 73, 78, 82, 84, 91, 99, 100) 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0

1 0 0 1 0 1 1 b. Range: 100-42= 58 c-e. Test Grades Stem Leaves 4 5 6 7 8 9 10 2 7 3 8 2 4 1 9 0 1 4 2 Graphing in Science Histogram Graph I. Purpose: A histogram is a kind of bar graph showing the frequency with which something happens within given intervals 0 0 1 1 0 0 1 0 1 0 1

0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 II. Procedure: a. Decide on an interval size b. Make a frequency table (listing each data item with the number of times it occurs) c. Make a histogram complete with a title and labeled axes 1 4 2 Graphing in Science Double-Bar Graph I. Purpose: A double bar graph is used to compare two sets of data II. Procedure: a. Find the range in values 0 0 1 1 0 0 1 0

1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 b. Determine a scale c. label the graph d. Draw the bars e. Draw a key identifying the two bar colors f. Give the graph a title 1 4 2 Graphing in Science Double-Bar Graph III. Example: Favorite sports between boys and girls Our Favorite Sports Girls 0 0 1 1 0 0 1 0 1 0 1

0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 Boys Soccer 6 3 Softball 2 2 Basketball 1 5 Other 1 2 1 4 a. Find the range in values: 6-1= 5 b. Determine a scale: 0-10 by 2 c-f.

2 Graphing in Science Line Graph I. Purpose: shows changes over time II. Procedure: a. Draw the axes 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 b. Label the axes c. Create a scale d. plot the data e. draw a Line of Best Fit i. the overall trend shown by all the data a. linear graph: data points yield a line b. nonlinear graph: data points do not along a straight line f. add a title

1 4 2 straight fall Graphing in Science Line Graph III. Example: 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 1 0 1 1 1 4 2

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