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pav-90 [236]
3 years ago
13

Help please....................

Mathematics
1 answer:
alexira [117]3 years ago
7 0

A) mean = average. Find the total of the ages and dive by number of people:

19x 2 = 38

20x3= 60

21x1= 21

22x4 = 88

23x1=23

38 +60 +21+88+23= 230

230/ 11= 20.9

Mean = 20.9

B ) 1 more person makes the total 12 people. The mean becomes 22, so total of the ages would be 12x22= 264

Subtract the two totals 264 - 230 = 34

The person would be 34

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<h3>How do you find out the values?</h3>

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