Question

The ages of ten students of a group are given below. The ages have been recorded in years and months:

8-6, 9-0, 8-4, 9-3, 7-8, 8-11, 8-7, 9-2, 7-10, 8-8

(i) What is the lowest age? 

(ii) What is the highest age? 

(iii) Determine the range?

Answer 1

The ages of ten students of a group are given below

8-6, 9-0, 8-4, 9-3, 7-8, 8-11, 8-7, 9-2, 7-10, 8-8

(i) Lowest age is 7 years, 8 months 

(ii) Highest age is 9 years, 3 months. 

(iii) Range = highest age – lowest age = 9 year, 3 months, 7 year, 8 months = 1 year, 7 months