Question

Observe the frequency distribution table and answer the following questions.(i-iv)
What is the size of the class intervals? How many workers are getting income ₹175 and above? What is the difference between the upper limit of fifth class interval and lower limit of second class interval? Which class interval is having highest frequency?

Answer 1

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From observing the given frequency table:

(a) Lower limit of second class interval (20−30) is 20

(b) The upper limit of the last class interval (50−60) is 60.

(c) The frequency of the third class (30−40) is 4.

(d) The interval (20−30) has frequency of 10

(e) The interval (30−40)has the lowest frequency i,e, 4

(f) Class size = upper class limit - lower class limit., for a class.

Let us take first class i.e. 10−20 from the given classes.

Therefore 20−10=10 is the class size.

Answer 2

Answer:

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