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Histogram

i The followi...

Question

Question 105(i)

The following histogram shows the frequency distribution of teaching experiences of 30 teachers in various schools :

What is the class width ?

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Solution

In the histogram, we see that the class width is 5.

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Similar questions

Q. The following histogram shows the frequency distribution f the ages of 22 teachers in a school:

(i) What is the number of eldest and youngest teachers in the school?
(ii) Which age group teachers are more in the school and which least?
(iii) What is the size of the classes?
(iv) What are the class marks of the classes?

Q. Study the following pie-chart and answer the following questions.
Percentage distribution of employees in six different professions

In the teaching profession, if three - fifths of the teachers are not permanent, what is the number of permanent teachers in the teaching profession?

Q. Ages of 60 teachers in primary schools of a Mandal are given in the following frequency distribution table. Construct the Frequency polygon and frequency curve for the data without using the histogram. (Use separate graph sheets)

Ages	24-28	28-32	32-36	36-40	40-44	44-48
No of teachers	12	10	15	9	8	6

Question 1

The height of a rectangle in a histogram shows the

(a) Width of the class

(b) Upper limit of the class

(c) Lower limit of the class

(d) Frequency of the class

If we draw a histogram for the following frequency distribution, what will be the height of the bar for the class interval 15 - 30?

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