BiếtD3= 0; D4 =2,115; A2= 0,577Bảng: Phiếu kiểm soát X - R chỉ tiêu độ ẩm Nhóm mẫusốKết quả đo6:0010:00 14:00 18:00 22:001 14,012,613,213,112,12 13,213,312,713,412,13 13,512,813,012,812,44 13,912,413,313,113,25 13,013,012,112,213,36 13,712,012,512,412,47 13,912,112,713,413,08 13,413,613,612,413,59 14,412,412,212,412,510 13,312,412,612,912,811 13,312,813,013,013,112 13,612,513,313,512,813 13,413,312,013,013,114 13,913,113,512,612,815 14,212,712,912,912,516 13,612,712,412,512,217 14,013,212,413,013,018 13,112,913,512,312,819 14,613,713,412,312,520 13,913,013,012,212,621 13,312,712,612,812,722 13,912,412,712,412,823 13,212,312,613,112,724 13,212,812,812,312,62513,312,812,112,312,27
Trả lời:
NhómmẫusốKết quả đo6:0010:00 14:00 18:00 22:00
X
R 1 14,012,613,213,112,1 13.01.92 13,213,312,713,412,112.941.33 13,512,813,012,812,412.91.14 13,912,413,313,113,213.181.5