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

 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 ________.15.51115 Q 2: If the upper boundary of a class is 30, class interval is 10, then the lower boundary of the class is _______.302010 Q 3: In a histogram the sidths of all rectangles are ______.not equalequal 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 _______.none of these5cm.6cm.7cm. Q 5: To represent equal numerical values same diagrams are used in _______.pictographsbar diagramspie diagrams Q 6: For the construction of a frequency polygon _______ and frequencies are taken into consideration.lower limits of the classupper limits of the classmid values of class Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!