Hi. Could anyone tell me why (c) weakens the arg? Isn't it irrelevant that it talks about errors of the data? Thank you in advance!! Happy studying everyone.
https://7sage.com/lsat_explanations/lsat-40-section-3-question-26/
... a glaring representation issue. Example: 40 fourth graders took lessons in ... is weak enough for the 40 fourth graders to be sufficient ... their reading skills." Here is 40 students where it did.