Mathematics Homework Help

I’m working on my algebra test, and it one of the questions asked me which one is an inferential statistic. The answer choices were this; (A).Gina’s test score is at the 45th percentile. (B). The food cans have a mean shelf life of 14 months. (C). A recent survey indicates that 73% of the voters disapprove of the sheriff’s proposal. (D). The boxes have a mean weight of 3.3 kg and a standard deviation of 0.14 kg. Can you explain the answer, and why it is that answer? Thank you