Marks obtained by five students of class VII in quarterly and half-yearly examination in Mathematics (out of 25) are given below:

Represent the above data by a bar graph and answer the following questions:
(i) Do you see any improvement? Justify your answer.
(ii) Who has not done better?
Solution:

More Solutions:
- Find the median of the following data (i) 3, 1, 5, 6, 3, 4, 5:
- Find the mode of the following data:
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- Tell whether the following is certain to happen.