Q 1: In bar diagrams values of data are represented by _______. triangle square rectangle

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

Q 3: In preparing frequency distribustion, as far as possible the classes should be of the ________. different size same size

Q 4: 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. none of these 5cm.

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

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

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