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Class intervals in a grouped frequency distribution are given as 4−11, 12−19, 20−27, 28−35, 36−43. Write the next two class intervals.
i) what is the each class interval?
ii) write the class boundaries of all classes?
iii) what are the class marks of each class?​

Class intervals in a grouped frequency distribution are given as 411 1219 2027 2835 3643 Write the next two class intervalsi what is the each class intervalii w class=

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foladessy

Answer:

{44-55}

{52- 59 } are the last two interval s

Step-by-step explanation:

To get the class boundaries deduct 0.5 from the first number and add 0.5 to the second number = 4-0.5 = 3.5

= 11.5 + 0.5 = 11.5

= 3.5 -11.5 as in the fish class boundary .

same for all other boundaries

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