 Place to Record and Organize data  Read Procedure to Determine Parameters  Initial Column is Independent Variable – Label!  Set information prior to experiment  “X” Axis  Subsequent Columns are Dependent Variable-Label!  “Depends” on outcome of experiment  “Y” Axis Number Fish Caught During Three Day Trip DAYS# Fish Caught

Number of Days Fishing Day1Day 2Day 3 Number of Fish Caught Number of Fish Caught per Day on Three Day Fishing Trip

1. Neat, legible writing a) Includes all words and numbers 2. Lines Drawn with a Ruler! 3. Title of Graph a) Reflects information displayed 4. Key to Explain Data a) Explains colors or shading used 5. Use Graph (or Lined) Paper 6. Use a Ruler for ALL Lines Drawn 1. Includes Data Tables and Graphs

 Title “X” Axis which is Independent Variable  Set information prior to experiment  Time, Date...  Title “Y” axis which is Dependant Variable  “Depends” on outcome of experiment  Quantity or amount...  Label units of “X” and “Y” axis  Centimeters? Days? Months? Hours?

Histogram Circle Graph Line Graph Bar Graph

 Display data or information that changes continuously over time  Shows overall trends in data over time  Use different colors for each line

Monthly Days On Market For County Days on Market Months

 Compare quantities in different categories or groups  See relationships quickly  Each bar MUST be equal in width/units  Change in scale may alter visual perception of data  Color or shade each bar

Exhibits in Museum Median Times in Minutes Visitor Time in Minutes

 Looks Similar to Bar Graph  Plot quantitative data with ranges of data grouped into “bins or intervals”  Examples: Weights or Heights of population  Examples: Number of Visitors in Continuous Time Period  Each bar MUST be equal in width/units  Bars Must be Continuous and Stay in Order!

Percent of Total Visitor Time in Minutes Percentage of People Visiting Museum within a 10 Minute Span over Total 80 Minutes

 Shows quick picture of data based on percentage of 100  Data ordered from greatest to least in clockwise direction  All sections added together MUST equal 100%  Color/shade each section differently

Suppose I offered to buy donuts for six people and three said they wanted chocolate covered, two said plain and one said with icing sugar. 1. Create a Data table 2. Create an Appropriate Graph

Donut Choices of People Interviewed Type of Donuts ChocolatePlainIcing Sugar Person 1x Person 2x Person 3x Person 4x Person 5x Person 6x What type of graph would you use? Bar Graph What is the “X” axis? The “y” axis?

Donut Choices of People Interviewed Number of Donuts per Donut Type ChocolatePlainIcing Sugar Types of Donuts Chosen by Six People

 1 out of 6 people ordered Icing Sugar  1 divided by 6 =.17 x 100 = 17%  2 out of 6 people total ordered Plain  2 divided by 6 =.33 x 100 = 33%  3 out of 6 people total ordered Chocolate  3 divided by 6 =.50 x 100 = 50% ADD 17% + 33% + 50% = 100%

 The number of sneakers sold by brand for the past month are as follows: Addidas = 25; New Balance = 18; Nike = 32; Reebok = 15; Other = Create a Data table 2. Create an Appropriate Graph

Sneakers Sold This Month Brand of SneakersNumbers Sold Nike32 Addidas25 New Balance18 Reebok15 Other10 What is the Independent Variable? What is the Dependent Variable? Brands of Sneakers Numbers of Sneakers Sold

Brands of Shoes Addidas New Balance Nike Reebok Other Numbers of Shoes Sales Number of Shoe Sales this Month by Brand Name

Brands of Shoes Addidas New Balance Nike Reebok Other Numbers of Shoes Sales Number of Shoe Sales this Month by Brand Name

Sneakers Sold This Month Brand of Sneakers Numbers SoldPercentage of Sales Addidas2525% New Balance1818% Nike3232% Reebok1515% Other1010% Total Shoes Sold – ALL Brands % Do the calculations change the type of graph used?

 Students polled in a classroom showed varying heights:  5 students between 4’-5’ tall  16 students between 5’ and 6’ tall  4 students between 6’ and 7‘ tall 1. Create a Data table 2. Create an Appropriate Graph

Summary of Polled Students Height 14’5” 14’6” 35’ 85’3” 45’5” 35’6” 15’8” 26’1” 16’3” 16’8”

Heights of Students in Feet Number of Students 1’ 2’ 3’ 4’ 5’ 6’ 7’ Heights of All Students in Class

1. What are the similarities and differences between bar graphs and histograms? 2. Describe when a circle graph would be used to present data collected. 3. Which variable - independent or dependent - depicts the “x” axis and “y” axis? 4. Describe all features every graph must include.