0:00:00.497,0:00:02.811
Phân phối

0:00:02.811,0:00:05.600


0:00:05.600,0:00:09.969
trung bình

0:00:09.969,0:00:13.492
độ lệch chuẩn

0:00:13.492,0:00:15.742


0:00:15.742,0:00:18.737


0:00:18.737,0:00:22.892


0:00:22.892,0:00:26.574


0:00:26.574,0:00:30.348


0:00:30.348,0:00:32.642


0:00:32.642,0:00:34.287


0:00:34.287,0:00:38.102
video

0:00:38.102,0:00:41.242


0:00:41.242,0:00:43.444
đề

0:00:43.444,0:00:47.079


0:00:47.079,0:00:49.948
dùng phân phối chuẩn

0:00:49.948,0:00:51.187
đề

0:00:51.187,0:00:53.407
phân phối chuẩn

0:00:53.407,0:00:56.567
đềtrung bình

0:00:56.567,0:00:59.281
trung bình

0:00:59.281,0:01:00.661
đềđộ lệch chuẩn

0:01:00.661,0:01:02.934


0:01:02.934,0:01:05.027
phân phối chuẩn

0:01:05.027,0:01:07.830
độ lệch chuẩntrên trung bình

0:01:07.830,0:01:09.594
độ lệch chuẩntrên trung bình

0:01:09.594,0:01:12.070
khoảng cách

0:01:12.070,0:01:13.718


0:01:13.718,0:01:16.083


0:01:16.083,0:01:18.010
độ lệch chuẩn dưới trung bình

0:01:18.010,0:01:21.975


0:01:21.975,0:01:25.527


0:01:25.527,0:01:28.867


0:01:28.867,0:01:32.370


0:01:32.370,0:01:35.623
Giả sử

0:01:35.623,0:01:38.123


0:01:39.489,0:01:41.729


0:01:41.729,0:01:43.379


0:01:43.379,0:01:46.430


0:01:46.430,0:01:49.633
diện tích

0:01:49.633,0:01:52.216


0:01:56.454,0:01:59.164
dùng bảng z

0:01:59.164,0:02:02.395
điểm z

0:02:02.395,0:02:05.081
phân phối chuẩn

0:02:05.081,0:02:06.941
điểm z

0:02:06.941,0:02:09.729
dùng trung bìnhđộ lệch chuẩn

0:02:09.729,0:02:13.143


0:02:13.143,0:02:15.396
điểm z

0:02:15.396,0:02:17.258


0:02:17.258,0:02:19.946


0:02:19.946,0:02:22.687


0:02:22.687,0:02:25.649
điểm z

0:02:25.649,0:02:27.765


0:02:27.765,0:02:30.358
trung bình

0:02:30.358,0:02:32.197
điểm z

0:02:32.197,0:02:34.126


0:02:34.126,0:02:38.293


0:02:39.260,0:02:41.448


0:02:41.448,0:02:44.402
Đây là điểm z

0:02:44.402,0:02:48.893


0:02:48.893,0:02:50.143


0:02:53.221,0:02:55.663


0:02:55.663,0:02:58.413
điểm z

0:03:00.817,0:03:02.400


0:03:04.448,0:03:06.865
điểm z

0:03:08.744,0:03:10.577
viết

0:03:11.612,0:03:13.529


0:03:15.992,0:03:17.198
tìm

0:03:17.198,0:03:20.935
điểm z

0:03:20.935,0:03:22.881


0:03:22.881,0:03:25.950
độ lệch chuẩntrên trung bình

0:03:25.950,0:03:26.992


0:03:26.992,0:03:30.161
trung bình

0:03:30.161,0:03:32.161
độ lệch chuẩn

0:03:34.163,0:03:35.746
0,53 nhân 9

0:03:37.934,0:03:40.017


0:03:43.167,0:03:45.417
0,53 nhân 9

0:03:46.906,0:03:49.073


0:03:53.102,0:03:54.935
đề

0:03:56.361,0:03:58.818


0:03:58.818,0:04:02.501


0:04:02.501,0:04:03.859


0:04:03.859,0:04:05.989


0:04:05.989,0:04:07.897


0:04:07.897,0:04:09.585


0:04:09.585,0:04:13.752