Question

Four students did a survey to find the soda flavor sixth-grade students prefer. The table below shows the method each student used to conduct the survey:

Student Method
Trey Asked 100 students at random from his seventh-grade class what their favorite soda flavor is
Jesse Asked 100 sixth-grade students at random what their favorite soda flavor is
Nita Asked 100 eighth-grade students at random what their favorite soda flavor is
Ruben Asked 100 third-grade students at random what their favorite soda flavor is

Which student's survey is most likely not biased? (1 point)

Trey

Jesse

Nita

Ruben

Answer 1

[AI-generated answer — Bot GPT 3.5]

Jesse's survey is most likely not biased, as he specifically asked sixth-grade students what their favorite soda flavor is. Asking the target population directly reduces the chances of introducing bias into the survey results.

Answer 2

Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in a bag and drew a random sample of 30 addresses. He then asked those families if they would help organize the fund-raising party. He found that 12% of the families would help organize the party. He claims that 12% of the neighborhood families would be expected to help organize the party. Is this a valid inference? (1 point)

No, this is not a valid inference because he asked only 30 families

No, this is not a valid inference because he did not take a random sample of the neighborhood

Yes, this is a valid inference because he took a random sample of the neighborhood

Yes, this is a valid inference because the 30 families speak for the whole neighborhood

Answer 3

[AI-generated answer — Bot GPT 3.5]

No, this is not a valid inference because he asked only 30 families.