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MArishka [77]
2 years ago
15

A principal wants to find out how many hours per week the students in the school spend

Mathematics
1 answer:
malfutka [58]2 years ago
3 0
I think B (Every fifth student from each grade)

A only talks about female students, C talks about students on a sports team which would be biased since the students on the sports team probably get more exercise, and d would be ok but not the best since some last names are more common and others you would get only a very small sample size.
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ValentinkaMS [17]

Answer:

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Step-by-step explanation:

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Cross multiply:

1332=60(x+11)

Distribute:

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Subtract 660 from 1332

672=60x

Divide:

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I'm not sure if this is the correct answer but I hope this helps! :)

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6 0
3 years ago
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Answer:

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