Triangle ABC is isosceles. It is reflected across the y- axis and then translated up 1 unit to form triangle ABC.
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Given:
The data set is:
40, 76, 40, 63, 47, 57, 49, 55, 50, 53
To find:
The median of the given data set.
Solution:
We have,
40, 76, 40, 63, 47, 57, 49, 55, 50, 53
Arrange the data values in ascending order.
40, 40, 47, 49, 50, 53, 55, 57, 63, 76
Here, the number of observations is 10 which is an even number. So, the median is:
Putting n=10, we get
From the arranged terms, it is clear that the the 5th term is 50 and the 6th term is 53.
Therefore, the median of the given data set is 51.5.