2 years ago

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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