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Q.

The weights of new born babies (in kg) in a hospital on a particular day are as follows:

2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4

How many babies weigh 2.8kg?

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a

2

b

4

c

6

d

3

answer is A.

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Detailed Solution

The given data shows the weights of new born babies (in kg) in a hospital on a particular day are as follows:
2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4
We have to find how many babies weigh 2.8kg.
We can arrange the given data in ascending order as follows:
2.1, 2.2, 2.3, 2.4, 2.5, 2.5, 2.6, 2.7, 2.7, 2.8, 2.8, 2.9, 2.9, 3.0, 3.1
There are 2 babies weigh 2.8kg.
Thus the number of babies weighing 2.8kg is 2.
Hence, the correct option is 1.

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