Q 1: In a histogram the sidths of all rectangles are ______. equal not equal

Q 2: 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 3: If the upper boundary of a class is 30, class interval is 10, then the lower boundary of the class is _______. 10 20 30

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

Q 5: In preparing frequency distribustion, as far as possible the classes should be of the ________. different size same size

Q 6: In bar diagrams values of data are represented by _______. triangle rectangle square

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