
Quy hoạch thực nghiệm
Quiz
•
Design
•
10th Grade
•
Hard
Mỹ Trương
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Với mức ý nghĩa ,anpha = 5%, hãy đánh giá quan sát x=540, với mẫu 470, 354, 402, 434, 351, 413, 465,448,393,540 (student)
chấp nhận
loại bỏ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
loại bỏ quan sát có sai số lớn
student
fisher
cocharn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sự đồng nhất của 2 phương sai
cochran
student
fisher
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sự đồng nhất của nhiều phương sai
student
fisher
corchan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tính phương sai tái hiện của thí nghiệm lặp với k quả 63,64,64,63
0,3333
4,56
1,222
3,111
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bậc tự do (1 thí nghiệm lặp n lần )
f = n-1
f = n
f =1/n
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc tự do ps tái hiện của cả cuộc tn , cho cuộc tn có 3 tn,
thí nghiệm 1 lặp 3 lần, s1^2 = 0,9
thí nghiệm 2 4 lần, s2^2 = 0,95
Tn 3 lặp 4 lần, s3^2 = 0,92
0,925
0,45
0,95
0,67
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