Respuesta :
According to the Piaget, It is an example of hypothesis testing.
What is hypothesis testing?
Hypothesis testing is a theory that uses data from a sample to draw the conclusions about a population parameter or a population probability distribution.
It is a tentative assumption, which is made about the parameter or distribution and this assumption is called the null hypothesis.
Basically, it is a formal procedure for investigating the ideas about the world using statistics.
Learn more about the hypothesis testing here:-
https://brainly.com/question/17099835
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