thubaek1507 thubaek1507
  • 10-08-2021
  • Mathematics
contestada

một mẫu ngẫu nhiên gồm 100 giấy báo điểm cho thấy điểm trung bình là 21,2 điểm. giả sử tổng thể có độ lệch chuẩn là 2,5. với mức ý nghĩa 0,04 hãy kiểm định khẳng định điểm trung bình là 21 điểm

Respuesta :

biyashdarlami274
biyashdarlami274 biyashdarlami274
  • 10-08-2021

Answer:

hello bro

Step-by-step explanation:

plzz can you translate it on english

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