Question

Find the sum of upper limit and lower limit of the class interval in which the 20th observation of the following data lies: class interval 0 - 100 100 - 200 200 - 300 300 - 400 400 - 500 500 - 600 600 - 700 frequency 5 7 6 3 20 4 8

Answer 1

Answer:

GIVEN- class interval

FIND- the sum of upper limit and lower limit

Step-by-step explanation:

middle term of frequency is

300-400

frequency- 3

CF- 21

sum of the upper and lower limit is

= 300+400=700

FINAL ANSWER- 300+400= 700

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