Question

Several studies showed that after eating a low fat cereal for two meals a day, subjects had s
Lost some weight. A company financed this research
. What is wrong with this study

Answer 1

Let me give you an example, do you think it will be appropriate to conduct a survey for an upcoming election, and the one who financed it is one of the candidates?

Answer 2

it isn't important who made the research, but data matters.
Everyone lost some weight when we poop, jajja
you need to specify how much weight and how many people
1º Expectation value of fat loosed
2º Confidence interval of the expectation
3º If you don't know the real distribution, try an asymptotic aproximation using the
Normal limit Theorem who says:
every distribution when the population goes to infinity, it has normal distribution.