20-03-2024
SAT

contestada

Which of the following assumptions must be true of the chi-square test of independence?

A
Random Sample

B
Sample Size must be at least 30

C
Independent observations

D
All expected counts must be at least 5

E
Distribution should be normal

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giả sử mua ô tô. bạn muốn tập hợp đủ tiền vào trong tài khoản ngân hàng để chi cho bảo trì cơ bản xe trong 5 năm. Bạn ước lượng chi phí tăng G=30 năm, chi phí n