The following table gives the result of B.Com. students of a college for four years.

Year	No. of Students Division
	First	Second	Third
1993	10	30	50
1994	12	45	70
1995	14	50	60
1996	11	40	75

Represent the above data by a suitable diagram.

Bar diagram is a:

Data represented through a histogram can help in finding graphically the:

 Ogives can be helpful in locating graphically the:

Data represented through arithmetic line graph help in understanding:

Width of bars in a bar diagram need not be equal.

Width of rectangles in a histogram should essentially be equal.

 Histogram can only be formed with continuous classification of data.

Histogram and column diagram are the same method of presentaton of data.

Mode of a frequency distribution can be known graphically with the help of histogram.

Median of a frequency distribution cannot be known from the ogives.