Question

Please solve Q.7 of page no. 260 of Exercise 14.3 Chapter Statistics NCERT Class 9 Maths.It's URGENT

Answer 1

0.5 is taken back in the lower class and 0.5 is added in the upper class so that
class intervals can be easily understood on the basis of frequency polygon... hope this helps you..

Answer 2

Modified table and graph.


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