Question

The heights of ten boys were measured in centimetres and the results were as follows:
143, 132, 149, 148, 151, 146, 135, 128, 139, 150
(i) What is the height of the tallest boy?
(ii) What is the height of the shortest boy?
ii) What is the range of the data?
-) Find the mean height.
-) How many boys are there whose heights are less than the mean height?​

Answer 1

Answer:

1) 151

2) 128

Step-by-step explanation:

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Answer 2

Answer:

(i)151 (ii)128 (iii) 151-128=23

Step-by-step explanation:

Mean Height = (143+132+149+148+151+146+135+128+139+150)/10=142.1

No. of boys whose height is less than mean height = 4