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Mathematics 7 Online
OpenStudy (moazzam07):

please help

OpenStudy (moazzam07):

Maggie wants to know how many students in her school enjoy watching sports on TV. She asks all 25 students in her math class and finds that 60% of her classmates enjoy watching sports on TV. She claims that 60% of the school's student population would be expected to enjoy watching sports on TV. Is Maggie making a valid inference about her population? Yes, it is a valid inference because she asked all 25 students in her math class Yes, it is a valid inference because her classmates make up a random sample of the students in the school No, it is not a valid inference because her classmates do not make up a random sample of the students in the school No, it is not a valid inference because she asked all 25 students in her math class instead of taking a sample from her geography class

hartnn (hartnn):

If Maggie wants to collect any data regarding students in her school, her sample should be all students in her school and not from a particular class.

hartnn (hartnn):

so now what do u think would be the answer?

OpenStudy (moazzam07):

C?

hartnn (hartnn):

correct! good :)

OpenStudy (moazzam07):

thanks

hartnn (hartnn):

welcome ^_^

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