how to do pie chart with picture
explntion
Answers
✒There are 4 ways to make a pie chart:
1. Write each data point down and list it from high to low. Start with the largest number in your data set. Write that on the top row of a blank sheet of paper. Directly underneath it, write the next-highest number. Give each number its own row to make a column of data points.
✏It’s easier to calculate round numbers, so leave decimals out if you can. For example, turn 20.4 into 20, or 5.8 into 6. This will make things easier and likely won’t affect your data in a meaningful way.
✏For example, if you were making a pie chart of the number of animals on a farm, you would list 24 cows at the top, followed by 20 pigs, and 6 chickens
2. Label each number that you write down so that you don’t forget them. You can either draw symbols or write labels out based on what kind of data your pie chart is depicting. Place each label directly next to its corresponding number on the same row as the number. This will make it easier to keep track of what each number represents.
✏For example, you would write “cows” next to 24, “pigs” next to 20, and “chickens” next to 6. You could also use small drawings to represent each animal or abbreviate them with “C,” “P,” and “Ch.”
3. Add all of the numbers together to get your denominator. Draw a horizontal line underneath your column of data points and add each number together using a calculator. Write the sum of your data underneath horizontal line to find your denominator. This number is what you’ll divide each data point by to get a decimal.
✏A denominator is a math term for the number that goes below a fraction line.
✏The idea here is that you’re going to divide each individual number in your data by the denominator to get a decimal. This will show you what percentage of the sum each data point is. You will multiply each decimal by 360 to determine how big of a section it deserves on the pie chart.
✏For the pie chart about farm animals, you would add 24, 20, and 6 together to get a total of 50. This would be your denominator.
4. Divide each individual number by the denominator to get a decimal. Use a calculator to divide each data point by your denominator. Write this new decimal out next to the data point that it corresponds with. Each number should be under 1, and the numbers in the new column should also be in descending order with the highest number at the top and the lowest number at the bottom.
✏If any of your numbers come out to be more than 1, something went wrong. Each number should be a decimal.
✏For the farm animal pie chart, 24/50 = 0.48 cows, 20/50 = 0.4 pigs, and 6/50 = 0.12 chickens.
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Introduction to Pie Charts, Concepts on : Data Interpretation ...
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