1.

The ages in years of 10 teachers of a school are: 34, 43, 31, 56, 37, 28, 25, 35, 40, 42 (i) What is the range of the ages of the teachers? (ii) What is the mean age of these teachers? [3 MARKS]

Answer» The ages in years of 10 teachers of a school are:
34, 43, 31, 56, 37, 28, 25, 35, 40, 42

(i) What is the range of the ages of the teachers?

(ii) What is the mean age of these teachers? [3 MARKS]


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