Question

2. In a district level sports competition 12 schools participated. Prizes won by each
school was as follows: 11, 8, 13, 6, 10, 15, 18, 9, 10, 9, 11, 12
(1) What is the highest number of prizes won?
(in) What is the lowest number of prizes won?
(iii) What is the range
of data?
(iv) Find the arithmetic mean of the data?​

Answer 1

Answer:

1. 18

2. 6

I only know this

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