เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 143

„µ¦ž¦³»¤ª·µ„µ¦Â¨³Áœ°Ÿ¨Šµœª·‹´¥ ¤®µª·š¥µ¨´¥š´„¬·– ‡¦´ÊŠš¸É 19 ž¦³‹Îµže 2552
˜µ¦µŠš¸É 2 ™·˜·¡¦¦–œµ °Š˜´ªÂž¦°´˜¦µn ªœšµŠ„µ¦ÁŠ·œ ž¦³‹Îµže 2550
‡nµ™·˜·
X1 X2 X3
¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤ ¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤ ¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤
Mean 0.149 -1.409 -0.012 2.004 0.993 1.899 1.403 0.650 1.324
Median 0.129 -0.178 0.101 1.445 0.604 1.297 0.976 0.342 0.927
SD 0.251 4.049 1.387 1.829 1.475 1.819 1.458 1.002 1.434
CV 1.680 -2.873 -111.695 0.913 1.485 0.958 1.040 1.541 1.083
Skewness -0.412 -3.847 -11.584 2.819 3.386 2.777 2.860 2.936 2.853
Kurtosis 2.582 15.974 151.358 11.593 12.873 11.266 10.577 8.708 10.683
˜µ¦µŠš¸É 2 ™·˜·¡¦¦–œµ °Š˜´ªÂž¦°´˜¦µn ªœšµŠ„µ¦ÁŠ·œ ž¦³‹Îµže 2550 (˜n °)
‡nµ™·˜·
X4 X5
¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤ ¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤
Mean 0.308 1.706 0.453 0.138 0.182 0.143
Median 0.263 0.543 0.271 0.096 0.151 0.096
SD 0.191 3.970 1.338 0.162 0.173 0.163
CV 0.620 2.327 2.954 1.171 0.950 1.143
Skewness 1.745 3.876 11.959 3.361 1.161 3.070
Kurtosis 6.300 16.211 158.803 23.536 0.682 20.164
˜µ¦µŠš¸É 3 ™·˜·¡¦¦–œµ °Š˜´ªÂž¦°´˜¦µn ªœšµŠ„µ¦ÁŠ·œ ž¦³‹Îµže 2551
‡nµ™·˜·
X1 X2 X3
¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤ ¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤ ¤´Éœ‡Š Ťn
¤´Éœ‡Š ¦ª¤
Mean 0.135 -0.979 0.020 2.298 1.574 2.223 1.504 1.125 1.464
Median 0.112 -0.031 0.097 1.333 0.639 1.296 0.899 0.323 0.865
SD 0.259 4.377 1.446 3.295 2.924 3.260 2.242 2.241 2.240
CV 1.913 -4.473 73.592 1.434 1.857 1.466 1.491 1.992 1.530
Skewness -0.437 -4.936 -14.636 4.907 3.938 4.811 5.297 3.417 5.070
Kurtosis 2.988 24.555 222.625 29.637 17.030 28.702 36.401 12.691 33.741