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Presentation Of Data

Question

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What are multiple bar diagrams?

Solution

Multiple bar diagrams are used when two or more sets of inter-related variables are to be presented graphically for comparison. A set of simple adjacent bars is drawn. Comparisons can be made either between two or more variable or magnitudes of one variables in two or more aspects.

Some More Questions From Presentation of Data Chapter

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.

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.

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