Question

7. The ages in years of 10 teachers of a school are:
40, 38, 33, 23, 26, 35, 54, 28, 41,32
(a) What is age of the oldest teacher and that of the youngest ?
(b) What is the range of the ages of the teachers ?
(c) What is the mean age of these teachers ?​

Answer 1

(a) Oldest teacher _ 54

Youngest teacher_ 23

(b) Range_54- 39

=15.

(c) Mean_ 40+38+33+23+26+35+54+28+41+32÷10

=350÷10

=35.