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

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

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 ________. 15.5 11 15

Q 4: In bar diagrams values of data are represented by _______. square rectangle triangle

Q 5: 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 5cm. 7cm.

Q 6: To represent equal numerical values same diagrams are used in _______. bar diagrams pictographs pie diagrams

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