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Presentation Of Data

Question
CBSEENST11024052
Wired Faculty App

Differentiate between ‘less than’ and ‘more than’ ogives.

Solution

Difference between ‘less than’ and ‘more than’ ogives:

Less than Ogive

More than Ogive

1. In this ogive, frequencies are added starting from the upper limit of the 1st class interval of the frequency distribution.

2. In this ogive, the cumulative total tends to increase.

1. In this ogive frequencies are added starting from the lower limit of the 1st class interval of the frequency distribution.

2. In this ogive, the cumulative total tends to decrease.

Some More Questions From Presentation of Data Chapter

 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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