Relationship a is defined by the equation latex: y=9xy = 9 x. some values...
I think that he can not show definitively that vitamins cause a person to be taller.
The study does show a relationship between the two, but it's not necessarily one of cause and effect. There could be other factors involved in the experiment.
The kids who received vitamins might have been receiving better nutrition and better care in general opposed to those who did not have any vitamins.
Also, maybe certain ethnic groups are just naturally shorter so they would be shorter with vitamins anyway.
Explanation: I hope this answers the question to some degree.
I'm sorry if it doesn't.
no ,sorry if you needed it but you can ask and try to see if any one will anwser ,
by good luck mark me as brainliest
have a nice day
linear pair postulates