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Luba_88 [7]
3 years ago
6

What is the mean of the data set: 1, 3, 3, 5, 9 , 11, 13, 13, 20, 21 ?

Mathematics
1 answer:
insens350 [35]3 years ago
6 0

Step-by-step explanation:

mean=sum of observation by number of observation=1+3+3+5+9+11+13+13+20+21by 10=99by10

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