Question
What is meant by bar diagram?
Solution
Bar diagrams are those diagrams in which data are presented in the form of bars or rectangles.
What is meant by bar diagram?
Bar diagrams are those diagrams in which data are presented in the form of bars or rectangles.
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.
What kind of diagrams are more effective in representing the following:
(i) Monthly rainfall in a year.
(ii) Composition of the population of Delhi by religion.
(iii) Components of cost in a factory.
Suppose you want to emphasise the increase in the share of urban non-workers and lower level of urbanisation in India as shown in Example 4.2. How would you do it in the tabular form?
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