Q4 of 174 Page 590

The heights (in cm) of 9 girls are:

144.2, 148.5, 143.7, 149.6, 150, 146.5, 145, 147.3, 152.1.


Find the median height.

By arranging the data in ascending order


We have;


143.7, 144.2, 145, 146.5, 147.3, 148.5, 149.6, 150, 152.1


N = 9 (0dd number)


Median = value of the term


=


= value of 5th term


Median height = 147.3 cm


More from this chapter

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2

Find the median of

(i) 17, 19, 32, 10, 22, 21, 9, 35


(ii) 72, 63, 29, 51, 35, 60, 55, 91, 85, 82


(iii) 10, 75, 3, 15, 9, 47, 12, 48, 4, 81, 17, 27

 3

The marks of 15 students in an examination are:

25, 19, 17, 24, 23, 29, 31, 40, 19, 20, 22, 26, 17, 35, 21.


Find the median score.

 5

The weights (in kg) of 8 children are:

13.4, 10.6, 12.7, 17.2, 14.3, 15, 16.5, 9.8.


Find the median weight.

 6

The ages (in years) of 10 teachers in a school are:

32, 44, 53, 47, 37, 54, 34, 36, 40, 50.


Find the median age.