Answer:
The answer is below
Explanation:
What must be applied to know if the result is true or reliable is a test statistic, since due to it we can calculate how true or rather what is the probability that this data will occur. There are many types of test statistic, use the one that best fits the data.
The veracity of the medium where the information comes from is also important, whether they took a representative sample or not, among other parameters.