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

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

Q 3: 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 4: If 1-5, 6-10, 11-15,............ are the classes of a frequency distribution then the upper boundary of class 11-15 is ________. 15 15.5 11

Q 5: In a histogram the sidths of all rectangles are ______. not equal equal

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

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