Q 1: If in a bar diagram the length of the rectangle representing 50 units in 10cm, the length of the bar representing 30 units in the same bar diagram is _______. 7cm. 6cm. 5cm. none of these

Q 2: To represent equal numerical values same diagrams are used in _______. bar diagrams pictographs pie diagrams

Q 3: If the upper boundary of a class is 30, class interval is 10, then the lower boundary of the class is _______. 20 30 10

Q 4: For the construction of a frequency polygon _______ and frequencies are taken into consideration. mid values of class upper limits of the class lower limits of the class

Q 5: If 1-5, 6-10, 11-15,............ are the classes of a frequency distribution then the upper boundary of class 11-15 is ________. 11 15 15.5

Q 6: In preparing frequency distribustion, as far as possible the classes should be of the ________. same size different size

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