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1. Decide which average you would use for each of the following. Give

reasons for your answer.

a) The average mark in an examination.

b) The average pocket money for a group of 16-year old students.

c) The average shoe size for all girls in one year at school.

d) The Average height for all the artists on tour with a circus.

e) The average hair color for students in your school.

f) The average mass of all newborn babies in a hospital.

2. Mr. John told each student their test mark and only gave the test

statistics to the whole class. He gave the class the modal mark, the

median mark and the mean mark.

a) Which average would tell a student whether they were in the top

half or the bottom half of the class?

b) Which average tells the students nothing at all really?

c) Which average allows a student to detect how well they have done

compared with everyone else?

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