Data Organization Analysis How do we organize and

























- Slides: 25
Data Organization & Analysis How do we organize and analyze data? Is it possible to mislead others with your data? Explain. GO ON
What Is Data? GO ON
What Is Data? Data is information. GO ON
What Is Data? Data is information. An example: In my seventh grade class we took a pizza lovers survey. We learned that ten kids liked pepperoni pizza best. Nine kids liked sausage pizza best. Seven kids liked cheese pizza best. This information is called DATA. GO ON
What Is Data? If a mom was planning a pizza party for the class, she would need the pizza lovers survey DATA. I need to order 10 pepperoni, 9 sausage and 7 cheese pizzas. GO ON
What Is Data? Your report card is another example of Math: 6 Arts: 7 data. Oh no! I must talk to Mr. Tang…. Science: 5 Individuals and Societies: 5 Language A (English): 3 GO ON
Data Is Everywhere. TV Books Newspaper There is way too much data in school! GO ON
How Do People Use Data? The data from the test will help us cure your disease. We use data to make money. Data is needed to build things. GO ON
Data Can Be Confusing. $75 0. 9 0 3 9. 6 0. 9 5 0 1. 0 $45 $31 85% % 100 $23 88% 97% 76% 4. 0 32 $13 55 0 34 GO ON
Graphs Make Data Easier to Understand. Below is data without a graph. Animals on the farm Cows Chickens Turkeys 124 450 388 Horses Mules 56 110 Chickens rule! GO ON
Data WITH A Graph. Cows 124 Chickens 450 Turkeys 388 Horses 56 Mules 110 GO ON
Different Types of Graphs Can Show the Same Data. Awesome! These graphs show the same data! Bar Graph Line Graph GO ON
Choosing Appropriate Graphs… Bar Graph - categorical data “categories” Type of Fish Swimming Speed Carp 6 Cod 8 Mackerel 11 Pike 6 A Legend tells you what each bar represent. GO ON
Histogram – a special type of bar graph that displays intervals or ranges Key Features: Ranges and Bars connect GO ON
Line Graph – change over a period of time GO ON
Circle Graph – displays percents or fractional parts GO ON
Stem-and-leaf Plot – lists numerical data in order from least to greatest Ex) Ordered Plot GO ON
Line Plot – shows data above number line displayed with “X’s” (outliers and mode easily identified) GO ON
Venn diagram Shows relationships between two or more data sets GO ON
What type of graph? 1. A car dealership sells seven makes of cars. Which data display(s) could be used to compare sales for each make of car last year? 2. 3. The ages of 16 school teachers are: 48, 52, 46, 58, 25, 48, 55, 51, 58, 49, 60, 53, 30, 27, 42, 49 4. Postage Stamp Rate Year U. S. Letter Rate (cents per oz. ) 1992 1994 1996 1998 2000 2002 2004 29 29 32 32 34 37 40 GO ON
5. Would you use a bar graph or a stem-and-leaf plot to display the ages of 30 people buying a movie ticket? Explain. 6 How is the graph misleading? . GO ON
7. Recreation football sign-ups are complete. The following number of boys registered in each age group are listed below: 7 to 8 year olds - 48 boys 9 to 10 year olds – 73 boys 11 to 12 year olds – 68 boys What type of graph would you use to display this information? GO ON
Important Decide what you want people to know about your data. Choose the appropriate graph. Make sure you have the title, labels, and appropriate amount of intervals (quantity). GO ON
No Data? Create the best graph for the data given here. Interpret. GO ON
Congratulations, You Made It! My brain hurts! https: //plot. ly/create/ https: //infogr. am/ GO ON