Q2 of 47 Page 86

The hearts of 60 patients were examined through X-ray and the observations obtained are given below:


Find the median.

GIVEN:


Let diameter of heart be x


And number of patient be frequency f



Total Frequency (N) = ∑f = 50


N/2 = = 25


∴ Median is 25th value


Now 25th value occurs in commutative value 31


which has diameter of heart = 132cm


∴ Median is 132cm


CONCLUSION: Median of given data is 132cm


More from this chapter

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2

Find the median for the following data:

 2

The height (in cm) of 50 students in a particular class are given below:


Find the median.

 2

The salary of 43 employees are given in the following table. Find the median.

 3

Find the mode of the following data:

i) 74, 81, 62, 58, 77, 74.


ii) 55, 51, 62, 71, 50, 32.


iii) 43, 36, 27, 25, 36, 66, 20, 25.


vi) 24, 20, 27, 32, 20, 28, 20.