Question

The heights (in cm) of 9 children are :
144.2, 148.5, 143.7, 149.6, 150, 146.5, 145, 147.3, 152
Find the median height​

Answer 1

Answer:

147.3 cm.

Step-by-step explanation:

On arranging the heights in ascending order, we get:

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

Here, n is 9, which is an odd number.

Thus, we have:

Median= Value of (n+1/2)th observation  

Median height =Value of (9+12)th observation                              

=Value of the 5th observation                      

=Hence, the median height is 147.3 cm.

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Answer 2

Answer:

Answer:

147.3 cm.

Step-by-step explanation:

On arranging the heights in ascending order, we get:

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

Here, n is 9, which is an odd number.

Thus, we have:

Median= Value of (n+1/2)th observation  

Median height =Value of (9+12)th observation                              

=Value of the 5th observation                      

=Hence, the median height is 147.3 cm.

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