stion - 2
a)
If the class intervals of a frequency distribution be 6 - 14. 14 - 22. 22 - 30, 30 - 38. then
determine the class size and the class mark of the class interval 22 - 30.
Answers
Step-by-step explanation:
Lower class limit of the interval 36 - 45 = 36 and
Upper class limit of the interval 36 - 45 = 45
(b)
Class Size of the interval 26 - 35 = 10 and
Class Mark of the interval 26 - 35 = 30 (Class Mark is the average of the limits of the class interval)
(c)
The class intervals when changed into overlapping class intervals are
15.5 - 25.5
25.5 - 35.5
35.5 - 45.5
45.5 - 55.5
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SIMILAR QUESTIONS
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If the collection of data in Q.no.1 be grouped into the class intervals 40−45,45−50,50−55,55−60,60−65,65−70 then answer the following.
1)What are the class limits and class boundaries of the class interval 60−65?
2)What are the class size and the class mark of the class interval 45−50?
Medium
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>
What is the upper-class limit for the class 25−35?
Easy
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>
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