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Question

The age of penguins participating in an annual Icicle-darts competition is given in the list.
Age of Penguins

12 15 12 13 17
13 14 14 14 16
14 12 12 14 11

What age best represents the group of participants?

A
13 years
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B
14 years
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Solution

The correct option is B 14 years
Age of Penguins
12 15 12 13 17
13 14 14 14 16
14 12 12 14 11

To know the age that best represents the group of participants, we measure the central tendency of the data set.

Here, we find the median of the given data set.

Total number of data points
=Number of Rows×Number of Columns
=3×5
=15

Median is the middle value when odd-numbered data is arranged in ascending order.

Ascending order:
11 12 12 12 12 13 13 14 14 14 14 14 15 16 17

Here, the middle positon is 8th.

The value corresponding to 8th position is 14.

Median age =14 years.

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