Question

Given below are the heights (in cm) of 11 boys of a class : 146,143,148,132,128,139,140,152,154,142,149 arrange the above data in ascending order and answer these questions (i) the height of the tallest (ii) the height of the shortest (iii) the range of the given data
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Answer 1

Answer:

(i) The boy whose height is 154 cm

(ii) The boy whose height is 128 cm

(iii) 26 cm

Step-by-step explanation:

Data of the height of the 11 boys(in cm):-

146, 143, 148, 132, 128, 139, 140, 152, 154, 142, 149

Ascending order means growing order

Data of the height of the 11 boys(in cm) (in ascending order)

128, 132, 139, 140, 142, 143, 146, 148, 149, 152, 154

(i) 128, 132, 139, 140, 142, 143, 146, 148, 149, 152, 154

Tallest boy is the boy whose height is 154 cm

(ii) 128, 132, 139, 140, 142, 143, 146, 148, 149, 152, 154

The one whose height is 128 cm is the shortest boy.

(iii) To find range of given data,

Formula → Largest value - Smallest value

Here, 128, 132, 139, 140, 142, 143, 146, 148, 149, 152, 154

           ↓                                                                           ↓

Smallest Number                                                Largest Number

So, range of given data = 154 cm - 128 cm

⇒ Range of the data = 26 cm