A hotdog vender wants to know the mean

Name the proper procedure to use:

Confidence interval of the mean? - used to find the mean.

Hypothesis test of the mean? - used when comparing to a known mean.

Goodness of fit test? - used when comparing the distribution of qualitative data.

Independence test? - used to see if there is an association between two variables.

A.1. A hotdog vender wants to know the mean amount spent on hotdogs at all baseball games at SSC.

B. A political party wants to know if being born in the Southeast has someone more likely to become a Republican.

C. We want to know the mean licks to get to the center of the Tootsie Roll Center of the Tootsie Roll Pop.

D. A researcher wants to know if the mean noise level someone can tolerate before hearing ringing in their ears is less than 85? dB(A).

E. A classic story involves four carpooling students who missed a test and gave as an excuse a flat tire. On the makeup? test, the teacher asked the students to identify the particular tire that went flat. A researcher asks 45 people what tire they would have said was flat. The researcher believes it would be a uniform?distribution, like the story says.

F.A car manufacturer research group does a study to see if smokers are less likely to wear a seatbelt.

G. A school administrator wants to know if the mean SAT score is higher than 2300 for her school.