Mathematics

Chase Zhang

2 March, 13:02

Time Remaining C. 14:06

time 0:14:06

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The stem and leaf diagram shows the ages of 15 office workers.

2 3 5

Key: 23 represents 23 years old

3 4 5 8 8 9

4 1 2 4 6-7 8

5 39

a) How many workers are over 40 years old?

8

workers

b) What is the median age of an office worker?

years old

c) The oldest worker retires and is replaced by a 24 year old.

What is the new median age?

years old

+1

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