Answer: a. Ellie has most likely tapped into an illusionary correlation in her data.
Step-by-step explanation:
Illusionary Correlation is a phenomenon in Psychology and Statistics where during the course of research, the researcher perceives a relationship to exist between the variables due to seemingly statistically significant findings when no such relationship actually exists.
The problem is that since such correlations are usually rare, they are easier to discover and fixate on.
The likelihood of children apps being influenced by goat cheese and the number of engine failures of Ford Fiesta cars in the USA would make quite a number of people scoff which is why her manager was skeptical.