An observational study found a statistically significant relationship between regular consumption of tomato products

[answerhappygod]

For the next two questions: An observational study found a statistically significant relationship between regular consumption of tomato products (yes, no) and development of prostate cancer (yes, no), with lower risk for those consuming tomato products.

Which of the following is not a possible explanation for this finding?
A. Something in tomato products causes lower risk of prostate cancer.
B. Thereisaconfoundingvariablethatcauseslowerriskofprostatecancer,suchaseatingvegetables
in general, that is also related to eating tomato products.
C. Alargenumberoffoodproductsweremeasuredtotestforarelationship,andtomatoproducts
happened to show a relationship just by chance.
D. A large sample size was used, so even if there were no relationship, one would almost certainly be detected.

Which of the following is a valid conclusion from this finding?
A. Something in tomato products causes lower risk of prostate cancer.
B. Basedonthisstudy,therelativeriskofprostatecancer,forthosewhodonotconsumetomato
products regularly compared with those who do, is greater than one.
C. Ifanewobservationalstudyweretobedoneusingthesamesamplesizeandmeasuringthesame variables, it would find the same relationship.
D. Prostate cancer can be prevented by eating the right diet.