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Alecsey [184]
2 years ago
8

Help me please and thank you

Mathematics
2 answers:
Arisa [49]2 years ago
8 0
The correct answer to this question is 7.75
topjm [15]2 years ago
5 0

Answer:

Range = 7

Mean = 7.75

Assumption: Most students will have 7 or 10 letters in their last name

Step-by-step explanation:

Range = Largest - Smallest

           = 10 - 3

           = 7

Mean = Add the total numbers up to get a total / numbers in the series

          = (3+5+2(6)+2(9)+5(7)+4(8)+5(10)) / (1+1+2+5+4+2+5)

          = 7.75

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