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anonymous
 one year ago
Sue wants to know how many families in her small neighborhood of 50 homes would volunteer to help at a neighborhood animal shelter. She put all the addresses in a bag and drew a random sample of 25 addresses. She then asked those families if they would volunteer to help at the shelter. She found that 18% of the families would volunteer to help at the shelter. She claims that 18% of the neighborhood families would be expected to help at the animal shelter. Is this a valid inference?
Yes, this is a valid inference because the 25 families speak for the whole neighborhood
Yes, this is a vali
anonymous
 one year ago
Sue wants to know how many families in her small neighborhood of 50 homes would volunteer to help at a neighborhood animal shelter. She put all the addresses in a bag and drew a random sample of 25 addresses. She then asked those families if they would volunteer to help at the shelter. She found that 18% of the families would volunteer to help at the shelter. She claims that 18% of the neighborhood families would be expected to help at the animal shelter. Is this a valid inference? Yes, this is a valid inference because the 25 families speak for the whole neighborhood Yes, this is a vali

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Is this a valid inference? Yes, this is a valid inference because the 25 families speak for the whole neighborhood Yes, this is a valid inference because she took a random sample of the neighborhood No, this is not a valid inference because she only asked 25 families No, this is not a valid inference because she did not take a random sample of the neighborhood

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1what are your thoughts on this?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1so you think she should have asked more families?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1but 25 families is 50% of the population 25/50 = 0.5 so I'd say she has a big enough sample size

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1the fact that it's random is also a good sign too

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wait, now i think it would be b

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1yeah it's valid because she randomly selected families
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