8. To compare the results of different experiments, the researcher converted the observations into _____ data so they could be analyzed with statistical methods.
(A) botanical
(B) theoretical
(C) numerical
(D) rhetorical
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統計: A(2), B(15), C(21), D(6), E(0) #3861640
統計: A(2), B(15), C(21), D(6), E(0) #3861640