Descriptive Sta...

The hours in which maximum number of students watched TV , is ______ .

What is the ratio of the highest marks to the lowest marks obtained by the student?

What is the average marks obtained by the student?

The average marks of $$10$$ students in a class was $$60$$ with standard deviation $$4$$. While the average marks of other $$10$$ students was $$40$$ with a standard deviation $$6$$. If all the $$20$$ students are taken together, their standard deviation will be.

Direction (10-13) : The given bar graph shows the marks obtained by a student in different subjects. The maximum marks of each subject is $$100$$.
What is the ratio of the highest marks to the lowest marks obtained by the student?

The pictograph shows different subject books which are kept in a library. Observe the graph and answer the following question:
How many more Science books than the History books are there in the library?

Direction (9-10) : Following pictograph shows the number of tractors in five villages. Observer the pictograph and answer the following questions.
How many villages have 6 number of tractors?

Direction (16-17) : The pictograph shows different subject books which are kept in a library. Observe the graph and answer the following questions.
How many English books are there in the library?

The given bar graph shows the marks obtained by a student in different subjects. The maximum marks of each subject is 100.
In which subject did the student score highest marks?