Question

10 The heights of some 2 year old children,
rounded to the nearest centimetre, are :

73 74 74 75 75
75 76 76 77 77
78 78 79 79 80
What is the median height?

cm​

Answer 1

Answer:

76½ cm

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Answer 2

Answer:

Median = 76

Step-by-step explanation:

We write the data in ascending order first

∴Ascending order = 73, 74, 74, 75, 75, 75, 76, 76, 77, 77, 78, 78, 79, 79, 80

here the no. of observation is 15 and we will use these formula

median = $\frac{n + 1}{2}$ = $\frac{15 + 1}{2}$ = $\frac{16}{2}$ = 8th observation

∴Median = 76