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Mathematics, 22.07.2021 05:20 kyleejokow

. Có số liệu các giá trị quan sát về thu nhập Y (USD/người), tỷ lệ lao động nông nghiệp X2(%) và số năm trung bình được đào tạo đối với những người trên 25 tuổi X3 (năm)
2 3
9 10 8 7 10 4 5 5 6 8 7 4 9 5 8
8 13 11 10 12 16 10 10 12 14 12 16 14 10 12
6 8 8 7 7 12 9 8 9 10 10 11 9 10 11
i i
i
X X Y
a) Hãy ước lượng mô hình hồi quy.
b) Xác định ma trận tương quan

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. Có số liệu các giá trị quan sát về thu nhập Y (USD/người), tỷ lệ lao động nông nghiệp X2(%) và số...
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