Sets represents continuous data is {1, 2, 3, …}.
" Set is defined as the collection of objects with definite properties."
According to the question,
A. {1, 2, 3, …} are set of natural numbers which are discrete data and tends to infinity.
Option(A) is the not a correct answer.
B. (4, 7) represents the open interval. Numbers which are in between 4 and 7 excluding 4 and 7.
Option(B) is a correct answer.
C. {5, 13, 16, 20, 30} represents the sample space with definite properties and are discrete data.
It is not a correct answer.
D. {…, -9, -6, -3} it is set of integers representing multiple of -3. It is a discrete data.
Option(D) is not the correct answer.
Hence, Option(B) is the correct answer.
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