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Circles or Pie Diagram:
Circles or pie diagrams are alternative to squares. These are used for the same purpose i.e. when the values are differing widely in their magnitudes. These diagrams are more attractive then circles. Thus pie diagrams are preferred to square diagrams .Both these diagrams involve the same amount of labour. For example taking square roots of the given values and dividing the same by a common factor so as to attain the radii for the circles.
The area of the circle which represent the given values is calculated by the formula () where () pie =22/7 and r= radius of the circle. The sides for squares are taken as the radii for different circles.
In recent years a number of calculators are available for doing statistical calculations over and above the usual addition, subtraction, multiplication and division. The fx-82 mode
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Circles or Pie Diagram: Circles or pie diagrams are alternative to squares. These are used for the same purpose i.e. when the values are differing widely in their magnitude
Geometric Mean The geometric mean of numbers is defined as the th root of the product of numbers .It is obtained by multiplying all the values of a variable and then extracti
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