Data can be represented through various ways. Pie diagram which is a circle subdivided into component sectors to present the proportion of different constituent parts if the total is one of the ways to represent data in an understandable manner. You are required to identify ten items of your daily use in household and note the monthly expenditure on these items and prepare a Pie chart based on it. (See Lesson 7)
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The pie chart is a graph, where the data is represented by a circular graph. Pie charts fall under the category of pictorial representation of data, where the slices of a pie chart represent the quantity of data. In a pie chart, the length of the arc and central angle of each slice is proportional to the quantity represented.
Explanation:
- A pie chart is a visual representation of data that looks like a pie with the slices representing the size of the data. To show data as a pie chart, a list of numerical variables and category variables are required.
- Each slice in a pie chart has an arc that is proportionate to the quantity it depicts, and as a result, the area and centre angle it generates are also proportional.
- We may compute the data by using the calculations above and the following procedures to create a pie chart.
- Step 1: Enter all the information into a table and sum all the values.
- Step 2: Divide each value by the total and multiply by 100 to discover the values expressed as percentages.
- Step 3: Using a full 360° circle and the following formula, we can determine the number of degrees required for each pie sector. 360° (Frequency/Total Frequency)
- Step 4: Using a protractor and the estimated dimensions, draw a circle (the pie chart) using all the degrees needed to create one.
Learn more about the pie chart
- https://brainly.in/question/14730361
- https://brainly.in/question/16104318
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