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>0 -5& &3 0  5&-0  Principles of Production and Operations / Operations Management_ +. &. 7 7$5 B %3 ;(









                                      Causal Methods

                                    Linear Regression

                                 การเรียนการสอนเท่านั้น
                          ‡ Sample correlation coefficient : r
                                        ·Í
                                           ´
                                      ·
                                 ´
                                n
                             ± ‡µ­¤ž¦³­š›­®­¤¡´œ›  r
                                               ´
                                                    ·
                                     ´
                                             n
                                         r
                             ± ª´—‡ªµ¤­¤¡´œ›¦³®ªµŠ˜ªÂž¦°­¦³Â¨³˜´ªÂž¦˜µ¤
                                 n
                                     n
                             ± ¤¸‡µ¦³®ªµŠ -1.00  ™¹Š 1.00
                          ‡ Sample coefficient of determination:
                            r                    ใช้สําหรับ
                                        ·Í
                                      ·
                                 ´
                                n
                             ± ‡µ­¤ž¦³­š›„µ¦„ε®œ—
                                     n
                             ± ¤¸‡µ¦³®ªµŠ 0.00  ™¹Š 1.00
                                 n
                                               ·
                                                                 ´
                                                   n
                             ± ª´—Ÿ¨„¦³š…°Š˜ªÂž¦°­¦³˜°„µ¦Áž¨¸É¥œÂž¨Š…°Š˜ªÂž¦˜µ¤
                                           ´
                                o เอกสารนี้

                                      Causal Methods
                                    Linear Regression

                          ‡ Standard error of the estimate: s        yx
                                n
                                 n
                             ± ‡µ­ªœÁ¥ŠÁœ¤µ˜¦“µœ…°Š­¤„µ¦™—™°¥
                                     ¸É
                                                            n
                                                         o
                                    ¸É
                                 n
                             ± ª´—‡µÁ¥ŠÁœ…°Š˜ªÂž¦˜µ¤š¸É‡Îµœª–Å—‹µ„‡µ‹¦Š ·
                                           ´
                             ± čÁ¨º°„˜ªÂž¦°­¦³Äœ­¤„µ¦™—™°¥
                                    ´
                                         ·











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