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 _______. none of these 5cm. 6cm. 7cm.

Q 2: If the upper boundary of a class is 30, class interval is 10, then the lower boundary of the class is _______. 30 20 10

Q 3: 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 4: To represent equal numerical values same diagrams are used in _______. bar diagrams pictographs pie diagrams

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