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Ungrouped Frequency Distribution Table

In a frequenc...

Question

In a frequency distribution table, the class interval 150-160 is attached with the frequency 15. So the point on the frequency polygon corresponding to this is

(165,15)

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(150,15)

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(160,15)

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(155,15)

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Solution

The correct option is D
(155,15)

The required corresponding point is (155, 15).

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Similar questions

The frequency polygon of a frequency distribution is shown below.

Answer the following about the distribution from the histogram.

(i) What is the frequency of the class interval whose class mark is 15?

(ii) What is the class interval whose class mark is 45?

(iii) Construct a frequency table for the distribution.

Prepare a frequency distribution table for the scores given:

42, 22, 55, 18, 50, 10, 33, 29, 17, 29, 29, 27, 34, 15, 40, 42, 40, 41, 35, 27,

44, 31, 38, 19, 54, 55, 38, 19, 20, 30, 42, 59, 15, 19, 27, 23, 40, 32, 28, 51.

Take the class intervals as 10-20, 20-30, 30-40, 40-50, 50-60.

From the frequency distribution table answer the following questions:

(i) What does the frequency corresponding to the class interval 20-30 indicate?

(ii) In which class intervals are the scores 10, 20 and 30 included?

(iii) Find the range of the scores.

25

174, 168, 110, 142, 156, 119, 110, 101, 190, 102, 190, 111, 172, 140,

136, 174, 128, 124, 136, 147, 168, 192, 101, 129, 114

20

6

(160 - 180)

(140 - 160)

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