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### High School Mathematics15.1 Final Review - I

 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 _______.7cm.6cm.5cm.none of these Q 2: To represent equal numerical values same diagrams are used in _______.bar diagramspie diagramspictographs Q 3: In preparing frequency distribustion, as far as possible the classes should be of the ________.different sizesame size Q 4: For the construction of a frequency polygon _______ and frequencies are taken into consideration.upper limits of the classlower limits of the classmid values of class Q 5: If the upper boundary of a class is 30, class interval is 10, then the lower boundary of the class is _______.201030 Q 6: In a histogram the sidths of all rectangles are ______.equalnot equal Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!