Q 1: 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 15 11

Q 2: In bar diagrams values of data are represented by _______. square triangle rectangle

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

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

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

Q 6: For the construction of a frequency polygon _______ and frequencies are taken into consideration. lower limits of the class upper limits of the class mid values of class

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