Question

3) The heights of 10 girls are 127 cm, 146 cm, 145 cm, 125 cm, 130 cm, 136 cm, 140 cm, 124 cm, 135 cm and
143 cm. Find:
(i) the height of the tallest girl.
(ii) the height of the shortest girl.
(iii) the range of the girls' heights.
(iv) the mean height of the group.​

Answer 1

Answer:

Height of the tallest girl = 151 cm.

Height of the shortest girl = 128 cm.

Range = (151 − 128) cm. = 23 cm.

Mean height = =

The heights of 5 girls are greater than the mean height (i.e., 141.4 cm) and these heights are 143, 146, 149, 150, and 151 cm